Finding the Third Proportional to 8,675 and 18,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,675 : 18,665.50 = 18,665.50 : x
2. Step 2: Convert to fraction form
   8,675/18,665.50 = 18,665.50/x
3. Step 3: Cross multiply
   8,675x = 18,665.50 × 18,665.50
4. Step 4: Simplify right side
   8,675x = 348,400,890.25
5. Step 5: Solve for x
   x = 348,400,890.25/8,675
6. Step 6: Final answer
   x = 40,161.49