Finding the Third Proportional to 5,499.14 and 8,508.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.14 : 8,508.80 = 8,508.80 : x
2. Step 2: Convert to fraction form
   5,499.14/8,508.80 = 8,508.80/x
3. Step 3: Cross multiply
   5,499.14x = 8,508.80 × 8,508.80
4. Step 4: Simplify right side
   5,499.14x = 72,399,624.26
5. Step 5: Solve for x
   x = 72,399,624.26/5,499.14
6. Step 6: Final answer
   x = 13,165.63