Finding the Third Proportional to 67,387,644 and 98,554,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,387,644 : 98,554,261.50 = 98,554,261.50 : x
2. Step 2: Convert to fraction form
   67,387,644/98,554,261.50 = 98,554,261.50/x
3. Step 3: Cross multiply
   67,387,644x = 98,554,261.50 × 98,554,261.50
4. Step 4: Simplify right side
   67,387,644x = 9,712,942,459,810,382
5. Step 5: Solve for x
   x = 9,712,942,459,810,382/67,387,644
6. Step 6: Final answer
   x = 144,135,361.96