Finding the Third Proportional to 14,499 and 31,518

Step by Step Solution

1. Step 1: Write the proportion equation
   14,499 : 31,518 = 31,518 : x
2. Step 2: Convert to fraction form
   14,499/31,518 = 31,518/x
3. Step 3: Cross multiply
   14,499x = 31,518 × 31,518
4. Step 4: Simplify right side
   14,499x = 993,384,324
5. Step 5: Solve for x
   x = 993,384,324/14,499
6. Step 6: Final answer
   x = 68,513.99