Finding the Third Proportional to 2,399.06 and 5,105.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.06 : 5,105.25 = 5,105.25 : x
2. Step 2: Convert to fraction form
   2,399.06/5,105.25 = 5,105.25/x
3. Step 3: Cross multiply
   2,399.06x = 5,105.25 × 5,105.25
4. Step 4: Simplify right side
   2,399.06x = 26,063,577.56
5. Step 5: Solve for x
   x = 26,063,577.56/2,399.06
6. Step 6: Final answer
   x = 10,864.07