Finding the Third Proportional to 4,479.88 and 8,849.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,479.88 : 8,849.38 = 8,849.38 : x
2. Step 2: Convert to fraction form
   4,479.88/8,849.38 = 8,849.38/x
3. Step 3: Cross multiply
   4,479.88x = 8,849.38 × 8,849.38
4. Step 4: Simplify right side
   4,479.88x = 78,311,437.89
5. Step 5: Solve for x
   x = 78,311,437.89/4,479.88
6. Step 6: Final answer
   x = 17,480.72