Finding the Third Proportional to 2,406.38 and 5,514.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.38 : 5,514.75 = 5,514.75 : x
2. Step 2: Convert to fraction form
   2,406.38/5,514.75 = 5,514.75/x
3. Step 3: Cross multiply
   2,406.38x = 5,514.75 × 5,514.75
4. Step 4: Simplify right side
   2,406.38x = 30,412,467.56
5. Step 5: Solve for x
   x = 30,412,467.56/2,406.38
6. Step 6: Final answer
   x = 12,638.29