What percent is 600,788,188 of 760,507,625

It's 79% or 78.9983% if you want an exact answer

I got 0.79671617710132 from my calculator meaning the answer is 80%
how i got my
property: is over of equals to percent over hundred. 
is: 600,788,188
of: 760,507,625
percent: unknown
so, 
600,788,188      x
=  ___
760,507,625   100
so solve, you cross simplify first.
600,788,188 x 100= 60,078,818,800
760,507,625x= 760,507,625x
so, this turns into 60,078,818,800 = 760,507,625x
you cancel each side out and answer the equasion.
60,078,818,800 = 760,5/07/,62/5x
     /__/__/___
 760,507,625           76/0,/50/7,625
so the equasion turns into 
60,078,818,800
= X
760,507625
you solve and get 0.7896716177101932 
you round and get 80%
plz give me a brainliest thxxx