Finding the Third Proportional to 31,465,950 and 68,469,384

Step by Step Solution

1. Step 1: Write the proportion equation
   31,465,950 : 68,469,384 = 68,469,384 : x
2. Step 2: Convert to fraction form
   31,465,950/68,469,384 = 68,469,384/x
3. Step 3: Cross multiply
   31,465,950x = 68,469,384 × 68,469,384
4. Step 4: Simplify right side
   31,465,950x = 4,688,056,545,339,456
5. Step 5: Solve for x
   x = 4,688,056,545,339,456/31,465,950
6. Step 6: Final answer
   x = 148,988,241.11