Finding the Third Proportional to 31,383,568 and 67,721,414

Step by Step Solution

1. Step 1: Write the proportion equation
   31,383,568 : 67,721,414 = 67,721,414 : x
2. Step 2: Convert to fraction form
   31,383,568/67,721,414 = 67,721,414/x
3. Step 3: Cross multiply
   31,383,568x = 67,721,414 × 67,721,414
4. Step 4: Simplify right side
   31,383,568x = 4,586,189,914,159,396
5. Step 5: Solve for x
   x = 4,586,189,914,159,396/31,383,568
6. Step 6: Final answer
   x = 146,133,477.05