Step 1:
The first step to converting 344643.5019978 to a fraction is to re-write 344643.5019978 in the form p/q where p and q are both positive integers. To start with, 344643.5019978 can be written as simply 344643.5019978/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 344643.5019978, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 344643.5019978/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 344643.5019978/1 each by 10000000:
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 344643.5019978 as a fraction:
689287/2 / 1