Finding the Third Proportional to 14,670 and 31,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,670 : 31,417.50 = 31,417.50 : x
2. Step 2: Convert to fraction form
   14,670/31,417.50 = 31,417.50/x
3. Step 3: Cross multiply
   14,670x = 31,417.50 × 31,417.50
4. Step 4: Simplify right side
   14,670x = 987,059,306.25
5. Step 5: Solve for x
   x = 987,059,306.25/14,670
6. Step 6: Final answer
   x = 67,284.21