Finding the Third Proportional to 13,592 and 15,540

Step by Step Solution

1. Step 1: Write the proportion equation
   13,592 : 15,540 = 15,540 : x
2. Step 2: Convert to fraction form
   13,592/15,540 = 15,540/x
3. Step 3: Cross multiply
   13,592x = 15,540 × 15,540
4. Step 4: Simplify right side
   13,592x = 241,491,600
5. Step 5: Solve for x
   x = 241,491,600/13,592
6. Step 6: Final answer
   x = 17,767.19