Finding the Third Proportional to 14,557.50 and 31,782

Step by Step Solution

1. Step 1: Write the proportion equation
   14,557.50 : 31,782 = 31,782 : x
2. Step 2: Convert to fraction form
   14,557.50/31,782 = 31,782/x
3. Step 3: Cross multiply
   14,557.50x = 31,782 × 31,782
4. Step 4: Simplify right side
   14,557.50x = 1,010,095,524
5. Step 5: Solve for x
   x = 1,010,095,524/14,557.50
6. Step 6: Final answer
   x = 69,386.61