Finding the Third Proportional to 57,766,824 and 89,735,366

Step by Step Solution

1. Step 1: Write the proportion equation
   57,766,824 : 89,735,366 = 89,735,366 : x
2. Step 2: Convert to fraction form
   57,766,824/89,735,366 = 89,735,366/x
3. Step 3: Cross multiply
   57,766,824x = 89,735,366 × 89,735,366
4. Step 4: Simplify right side
   57,766,824x = 8,052,435,911,153,956
5. Step 5: Solve for x
   x = 8,052,435,911,153,956/57,766,824
6. Step 6: Final answer
   x = 139,395,510.32