Finding the Third Proportional to 487.27 and 1,144.13

Step by Step Solution

1. Step 1: Write the proportion equation
   487.27 : 1,144.13 = 1,144.13 : x
2. Step 2: Convert to fraction form
   487.27/1,144.13 = 1,144.13/x
3. Step 3: Cross multiply
   487.27x = 1,144.13 × 1,144.13
4. Step 4: Simplify right side
   487.27x = 1,309,022.02
5. Step 5: Solve for x
   x = 1,309,022.02/487.27
6. Step 6: Final answer
   x = 2,686.46