Finding the Third Proportional to 10,880 and 17,520

Step by Step Solution

1. Step 1: Write the proportion equation
   10,880 : 17,520 = 17,520 : x
2. Step 2: Convert to fraction form
   10,880/17,520 = 17,520/x
3. Step 3: Cross multiply
   10,880x = 17,520 × 17,520
4. Step 4: Simplify right side
   10,880x = 306,950,400
5. Step 5: Solve for x
   x = 306,950,400/10,880
6. Step 6: Final answer
   x = 28,212.35