Finding the Third Proportional to 31,607,996 and 68,959,020

Step by Step Solution

1. Step 1: Write the proportion equation
   31,607,996 : 68,959,020 = 68,959,020 : x
2. Step 2: Convert to fraction form
   31,607,996/68,959,020 = 68,959,020/x
3. Step 3: Cross multiply
   31,607,996x = 68,959,020 × 68,959,020
4. Step 4: Simplify right side
   31,607,996x = 4,755,346,439,360,400
5. Step 5: Solve for x
   x = 4,755,346,439,360,400/31,607,996
6. Step 6: Final answer
   x = 150,447,577.86