Finding the Third Proportional to 4,397.49 and 8,122.23

Step by Step Solution

1. Step 1: Write the proportion equation
   4,397.49 : 8,122.23 = 8,122.23 : x
2. Step 2: Convert to fraction form
   4,397.49/8,122.23 = 8,122.23/x
3. Step 3: Cross multiply
   4,397.49x = 8,122.23 × 8,122.23
4. Step 4: Simplify right side
   4,397.49x = 65,970,580.20
5. Step 5: Solve for x
   x = 65,970,580.20/4,397.49
6. Step 6: Final answer
   x = 15,001.86