Finding the Third Proportional to 57,984,912 and 81,109,538

Step by Step Solution

1. Step 1: Write the proportion equation
   57,984,912 : 81,109,538 = 81,109,538 : x
2. Step 2: Convert to fraction form
   57,984,912/81,109,538 = 81,109,538/x
3. Step 3: Cross multiply
   57,984,912x = 81,109,538 × 81,109,538
4. Step 4: Simplify right side
   57,984,912x = 6,578,757,154,573,444
5. Step 5: Solve for x
   x = 6,578,757,154,573,444/57,984,912
6. Step 6: Final answer
   x = 113,456,361.80