Finding the Third Proportional to 14,499 and 31,615.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499 : 31,615.31 = 31,615.31 : x
2. Step 2: Convert to fraction form
   14,499/31,615.31 = 31,615.31/x
3. Step 3: Cross multiply
   14,499x = 31,615.31 × 31,615.31
4. Step 4: Simplify right side
   14,499x = 999,527,984.47
5. Step 5: Solve for x
   x = 999,527,984.47/14,499
6. Step 6: Final answer
   x = 68,937.72