Finding the Third Proportional to 3,978 and 5,496

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978 : 5,496 = 5,496 : x
2. Step 2: Convert to fraction form
   3,978/5,496 = 5,496/x
3. Step 3: Cross multiply
   3,978x = 5,496 × 5,496
4. Step 4: Simplify right side
   3,978x = 30,206,016
5. Step 5: Solve for x
   x = 30,206,016/3,978
6. Step 6: Final answer
   x = 7,593.27