Finding the Third Proportional to 12,423.50 and 18,466

Step by Step Solution

1. Step 1: Write the proportion equation
   12,423.50 : 18,466 = 18,466 : x
2. Step 2: Convert to fraction form
   12,423.50/18,466 = 18,466/x
3. Step 3: Cross multiply
   12,423.50x = 18,466 × 18,466
4. Step 4: Simplify right side
   12,423.50x = 340,993,156
5. Step 5: Solve for x
   x = 340,993,156/12,423.50
6. Step 6: Final answer
   x = 27,447.43