Finding the Third Proportional to 8,665.50 and 18,483

Step by Step Solution

1. Step 1: Write the proportion equation
   8,665.50 : 18,483 = 18,483 : x
2. Step 2: Convert to fraction form
   8,665.50/18,483 = 18,483/x
3. Step 3: Cross multiply
   8,665.50x = 18,483 × 18,483
4. Step 4: Simplify right side
   8,665.50x = 341,621,289
5. Step 5: Solve for x
   x = 341,621,289/8,665.50
6. Step 6: Final answer
   x = 39,423.15