Finding the Third Proportional to 5,521.92 and 8,448.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,521.92 : 8,448.05 = 8,448.05 : x
2. Step 2: Convert to fraction form
   5,521.92/8,448.05 = 8,448.05/x
3. Step 3: Cross multiply
   5,521.92x = 8,448.05 × 8,448.05
4. Step 4: Simplify right side
   5,521.92x = 71,369,496.00
5. Step 5: Solve for x
   x = 71,369,496.00/5,521.92
6. Step 6: Final answer
   x = 12,924.76