Finding the Third Proportional to 2,561.25 and 5,514.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.25 : 5,514.75 = 5,514.75 : x
2. Step 2: Convert to fraction form
   2,561.25/5,514.75 = 5,514.75/x
3. Step 3: Cross multiply
   2,561.25x = 5,514.75 × 5,514.75
4. Step 4: Simplify right side
   2,561.25x = 30,412,467.56
5. Step 5: Solve for x
   x = 30,412,467.56/2,561.25
6. Step 6: Final answer
   x = 11,874.07