Finding the Third Proportional to 1,116.14 and 2,452.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116.14 : 2,452.78 = 2,452.78 : x
2. Step 2: Convert to fraction form
   1,116.14/2,452.78 = 2,452.78/x
3. Step 3: Cross multiply
   1,116.14x = 2,452.78 × 2,452.78
4. Step 4: Simplify right side
   1,116.14x = 6,016,135.86
5. Step 5: Solve for x
   x = 6,016,135.86/1,116.14
6. Step 6: Final answer
   x = 5,390.12