Finding the Third Proportional to 2,543.70 and 5,499.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.70 : 5,499.04 = 5,499.04 : x
2. Step 2: Convert to fraction form
   2,543.70/5,499.04 = 5,499.04/x
3. Step 3: Cross multiply
   2,543.70x = 5,499.04 × 5,499.04
4. Step 4: Simplify right side
   2,543.70x = 30,239,387.65
5. Step 5: Solve for x
   x = 30,239,387.65/2,543.70
6. Step 6: Final answer
   x = 11,887.98