Finding the Third Proportional to 2,655.28 and 5,425.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.28 : 5,425.73 = 5,425.73 : x
2. Step 2: Convert to fraction form
   2,655.28/5,425.73 = 5,425.73/x
3. Step 3: Cross multiply
   2,655.28x = 5,425.73 × 5,425.73
4. Step 4: Simplify right side
   2,655.28x = 29,438,593.51
5. Step 5: Solve for x
   x = 29,438,593.51/2,655.28
6. Step 6: Final answer
   x = 11,086.81