Finding the Third Proportional to 16,128 and 17,520

Step by Step Solution

1. Step 1: Write the proportion equation
   16,128 : 17,520 = 17,520 : x
2. Step 2: Convert to fraction form
   16,128/17,520 = 17,520/x
3. Step 3: Cross multiply
   16,128x = 17,520 × 17,520
4. Step 4: Simplify right side
   16,128x = 306,950,400
5. Step 5: Solve for x
   x = 306,950,400/16,128
6. Step 6: Final answer
   x = 19,032.14