Finding the Third Proportional to 20,123,976 and 31,381,708

Step by Step Solution

1. Step 1: Write the proportion equation
   20,123,976 : 31,381,708 = 31,381,708 : x
2. Step 2: Convert to fraction form
   20,123,976/31,381,708 = 31,381,708/x
3. Step 3: Cross multiply
   20,123,976x = 31,381,708 × 31,381,708
4. Step 4: Simplify right side
   20,123,976x = 984,811,596,997,264
5. Step 5: Solve for x
   x = 984,811,596,997,264/20,123,976
6. Step 6: Final answer
   x = 48,937,227.76