Finding the Third Proportional to 2,399.25 and 3,648.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.25 : 3,648.75 = 3,648.75 : x
2. Step 2: Convert to fraction form
   2,399.25/3,648.75 = 3,648.75/x
3. Step 3: Cross multiply
   2,399.25x = 3,648.75 × 3,648.75
4. Step 4: Simplify right side
   2,399.25x = 13,313,376.56
5. Step 5: Solve for x
   x = 13,313,376.56/2,399.25
6. Step 6: Final answer
   x = 5,548.97