Finding the Third Proportional to 13,728 and 17,352

Step by Step Solution

1. Step 1: Write the proportion equation
   13,728 : 17,352 = 17,352 : x
2. Step 2: Convert to fraction form
   13,728/17,352 = 17,352/x
3. Step 3: Cross multiply
   13,728x = 17,352 × 17,352
4. Step 4: Simplify right side
   13,728x = 301,091,904
5. Step 5: Solve for x
   x = 301,091,904/13,728
6. Step 6: Final answer
   x = 21,932.69