Finding the Third Proportional to 2,399.91 and 4,966.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.91 : 4,966.31 = 4,966.31 : x
2. Step 2: Convert to fraction form
   2,399.91/4,966.31 = 4,966.31/x
3. Step 3: Cross multiply
   2,399.91x = 4,966.31 × 4,966.31
4. Step 4: Simplify right side
   2,399.91x = 24,664,259.85
5. Step 5: Solve for x
   x = 24,664,259.85/2,399.91
6. Step 6: Final answer
   x = 10,277.18