Finding the Third Proportional to 14,612.50 and 31,560.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,612.50 : 31,560.50 = 31,560.50 : x
2. Step 2: Convert to fraction form
   14,612.50/31,560.50 = 31,560.50/x
3. Step 3: Cross multiply
   14,612.50x = 31,560.50 × 31,560.50
4. Step 4: Simplify right side
   14,612.50x = 996,065,160.25
5. Step 5: Solve for x
   x = 996,065,160.25/14,612.50
6. Step 6: Final answer
   x = 68,165.28