Finding the Third Proportional to 2,514.38 and 5,530.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,514.38 : 5,530.78 = 5,530.78 : x
2. Step 2: Convert to fraction form
   2,514.38/5,530.78 = 5,530.78/x
3. Step 3: Cross multiply
   2,514.38x = 5,530.78 × 5,530.78
4. Step 4: Simplify right side
   2,514.38x = 30,589,541.24
5. Step 5: Solve for x
   x = 30,589,541.24/2,514.38
6. Step 6: Final answer
   x = 12,165.86