Finding the Third Proportional to 2,081.27 and 4,458.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.27 : 4,458.68 = 4,458.68 : x
2. Step 2: Convert to fraction form
   2,081.27/4,458.68 = 4,458.68/x
3. Step 3: Cross multiply
   2,081.27x = 4,458.68 × 4,458.68
4. Step 4: Simplify right side
   2,081.27x = 19,879,824.56
5. Step 5: Solve for x
   x = 19,879,824.56/2,081.27
6. Step 6: Final answer
   x = 9,551.76