Step 1:
The first step to converting 722186.15686538 to a fraction is to re-write 722186.15686538 in the form p/q where p and q are both positive integers. To start with, 722186.15686538 can be written as simply 722186.15686538/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 722186.15686538, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 722186.15686538/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 722186.15686538/1 each by 100000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 722186.15686538 as a fraction:
722186/1 / 1