Finding the Third Proportional to 31,465,952 and 68,469,388

Step by Step Solution

1. Step 1: Write the proportion equation
   31,465,952 : 68,469,388 = 68,469,388 : x
2. Step 2: Convert to fraction form
   31,465,952/68,469,388 = 68,469,388/x
3. Step 3: Cross multiply
   31,465,952x = 68,469,388 × 68,469,388
4. Step 4: Simplify right side
   31,465,952x = 4,688,057,093,094,544
5. Step 5: Solve for x
   x = 4,688,057,093,094,544/31,465,952
6. Step 6: Final answer
   x = 148,988,249.05