Finding the Third Proportional to 31,581,422 and 69,106,372

Step by Step Solution

1. Step 1: Write the proportion equation
   31,581,422 : 69,106,372 = 69,106,372 : x
2. Step 2: Convert to fraction form
   31,581,422/69,106,372 = 69,106,372/x
3. Step 3: Cross multiply
   31,581,422x = 69,106,372 × 69,106,372
4. Step 4: Simplify right side
   31,581,422x = 4,775,690,651,002,384
5. Step 5: Solve for x
   x = 4,775,690,651,002,384/31,581,422
6. Step 6: Final answer
   x = 151,218,353.97