Finding the Third Proportional to 14,401.13 and 31,412.81

Step by Step Solution

1. Step 1: Write the proportion equation
   14,401.13 : 31,412.81 = 31,412.81 : x
2. Step 2: Convert to fraction form
   14,401.13/31,412.81 = 31,412.81/x
3. Step 3: Cross multiply
   14,401.13x = 31,412.81 × 31,412.81
4. Step 4: Simplify right side
   14,401.13x = 986,764,789.16
5. Step 5: Solve for x
   x = 986,764,789.16/14,401.13
6. Step 6: Final answer
   x = 68,519.98