Finding the Third Proportional to 14,328,421.50 and 31,471,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,328,421.50 : 31,471,717.50 = 31,471,717.50 : x
2. Step 2: Convert to fraction form
   14,328,421.50/31,471,717.50 = 31,471,717.50/x
3. Step 3: Cross multiply
   14,328,421.50x = 31,471,717.50 × 31,471,717.50
4. Step 4: Simplify right side
   14,328,421.50x = 990,469,002,399,806.25
5. Step 5: Solve for x
   x = 990,469,002,399,806.25/14,328,421.50
6. Step 6: Final answer
   x = 69,126,177.12