Finding the Third Proportional to 8,429.06 and 18,247.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.06 : 18,247.78 = 18,247.78 : x
2. Step 2: Convert to fraction form
   8,429.06/18,247.78 = 18,247.78/x
3. Step 3: Cross multiply
   8,429.06x = 18,247.78 × 18,247.78
4. Step 4: Simplify right side
   8,429.06x = 332,981,520.55
5. Step 5: Solve for x
   x = 332,981,520.55/8,429.06
6. Step 6: Final answer
   x = 39,503.98