Finding the Third Proportional to 4,898,557,726 and 7,564,428,327

Step by Step Solution

1. Step 1: Write the proportion equation
   4,898,557,726 : 7,564,428,327 = 7,564,428,327 : x
2. Step 2: Convert to fraction form
   4,898,557,726/7,564,428,327 = 7,564,428,327/x
3. Step 3: Cross multiply
   4,898,557,726x = 7,564,428,327 × 7,564,428,327
4. Step 4: Simplify right side
   4,898,557,726x = 57,220,575,914,320,019,456
5. Step 5: Solve for x
   x = 57,220,575,914,320,019,456/4,898,557,726
6. Step 6: Final answer
   x = 11,681,106,789.99