Finding the Third Proportional to 1,162.75 and 2,439.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.75 : 2,439.25 = 2,439.25 : x
2. Step 2: Convert to fraction form
   1,162.75/2,439.25 = 2,439.25/x
3. Step 3: Cross multiply
   1,162.75x = 2,439.25 × 2,439.25
4. Step 4: Simplify right side
   1,162.75x = 5,949,940.56
5. Step 5: Solve for x
   x = 5,949,940.56/1,162.75
6. Step 6: Final answer
   x = 5,117.13