Finding the Third Proportional to 8,242.50 and 12,182.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,242.50 : 12,182.63 = 12,182.63 : x
2. Step 2: Convert to fraction form
   8,242.50/12,182.63 = 12,182.63/x
3. Step 3: Cross multiply
   8,242.50x = 12,182.63 × 12,182.63
4. Step 4: Simplify right side
   8,242.50x = 148,416,351.89
5. Step 5: Solve for x
   x = 148,416,351.89/8,242.50
6. Step 6: Final answer
   x = 18,006.23