Finding the Third Proportional to 2,529.25 and 5,521.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.25 : 5,521.75 = 5,521.75 : x
2. Step 2: Convert to fraction form
   2,529.25/5,521.75 = 5,521.75/x
3. Step 3: Cross multiply
   2,529.25x = 5,521.75 × 5,521.75
4. Step 4: Simplify right side
   2,529.25x = 30,489,723.06
5. Step 5: Solve for x
   x = 30,489,723.06/2,529.25
6. Step 6: Final answer
   x = 12,054.85