Finding the Third Proportional to 13,518 and 18,082.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,518 : 18,082.31 = 18,082.31 : x
2. Step 2: Convert to fraction form
   13,518/18,082.31 = 18,082.31/x
3. Step 3: Cross multiply
   13,518x = 18,082.31 × 18,082.31
4. Step 4: Simplify right side
   13,518x = 326,970,025.35
5. Step 5: Solve for x
   x = 326,970,025.35/13,518
6. Step 6: Final answer
   x = 24,187.75