Finding the Third Proportional to 31,465,944 and 68,469,372

Step by Step Solution

1. Step 1: Write the proportion equation
   31,465,944 : 68,469,372 = 68,469,372 : x
2. Step 2: Convert to fraction form
   31,465,944/68,469,372 = 68,469,372/x
3. Step 3: Cross multiply
   31,465,944x = 68,469,372 × 68,469,372
4. Step 4: Simplify right side
   31,465,944x = 4,688,054,902,074,384
5. Step 5: Solve for x
   x = 4,688,054,902,074,384/31,465,944
6. Step 6: Final answer
   x = 148,988,217.30