Step 1:
The first step to converting 509092.65392573 to a fraction is to re-write 509092.65392573 in the form p/q where p and q are both positive integers. To start with, 509092.65392573 can be written as simply 509092.65392573/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 509092.65392573, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 509092.65392573/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 509092.65392573/1 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 509092.65392573 as a fraction:
509093/1 / 1