Finding the Third Proportional to 4,105.69 and 8,502.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.69 : 8,502.47 = 8,502.47 : x
2. Step 2: Convert to fraction form
   4,105.69/8,502.47 = 8,502.47/x
3. Step 3: Cross multiply
   4,105.69x = 8,502.47 × 8,502.47
4. Step 4: Simplify right side
   4,105.69x = 72,291,974.84
5. Step 5: Solve for x
   x = 72,291,974.84/4,105.69
6. Step 6: Final answer
   x = 17,607.76