Finding the Third Proportional to 59,581,966 and 91,104,438

Step by Step Solution

1. Step 1: Write the proportion equation
   59,581,966 : 91,104,438 = 91,104,438 : x
2. Step 2: Convert to fraction form
   59,581,966/91,104,438 = 91,104,438/x
3. Step 3: Cross multiply
   59,581,966x = 91,104,438 × 91,104,438
4. Step 4: Simplify right side
   59,581,966x = 8,300,018,623,295,844
5. Step 5: Solve for x
   x = 8,300,018,623,295,844/59,581,966
6. Step 6: Final answer
   x = 139,304,208.65