Finding the Third Proportional to 13,728 and 20,552

Step by Step Solution

1. Step 1: Write the proportion equation
   13,728 : 20,552 = 20,552 : x
2. Step 2: Convert to fraction form
   13,728/20,552 = 20,552/x
3. Step 3: Cross multiply
   13,728x = 20,552 × 20,552
4. Step 4: Simplify right side
   13,728x = 422,384,704
5. Step 5: Solve for x
   x = 422,384,704/13,728
6. Step 6: Final answer
   x = 30,768.12