Finding the Third Proportional to 8,443.50 and 18,186

Step by Step Solution

1. Step 1: Write the proportion equation
   8,443.50 : 18,186 = 18,186 : x
2. Step 2: Convert to fraction form
   8,443.50/18,186 = 18,186/x
3. Step 3: Cross multiply
   8,443.50x = 18,186 × 18,186
4. Step 4: Simplify right side
   8,443.50x = 330,730,596
5. Step 5: Solve for x
   x = 330,730,596/8,443.50
6. Step 6: Final answer
   x = 39,169.85