Finding the Third Proportional to 3,128 and 5,552

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128 : 5,552 = 5,552 : x
2. Step 2: Convert to fraction form
   3,128/5,552 = 5,552/x
3. Step 3: Cross multiply
   3,128x = 5,552 × 5,552
4. Step 4: Simplify right side
   3,128x = 30,824,704
5. Step 5: Solve for x
   x = 30,824,704/3,128
6. Step 6: Final answer
   x = 9,854.45