Finding the Third Proportional to 4,105.48 and 8,502.89

Step by Step Solution

1. Step 1: Write the proportion equation
   4,105.48 : 8,502.89 = 8,502.89 : x
2. Step 2: Convert to fraction form
   4,105.48/8,502.89 = 8,502.89/x
3. Step 3: Cross multiply
   4,105.48x = 8,502.89 × 8,502.89
4. Step 4: Simplify right side
   4,105.48x = 72,299,148.98
5. Step 5: Solve for x
   x = 72,299,148.98/4,105.48
6. Step 6: Final answer
   x = 17,610.42