Finding the Third Proportional to 2,559.09 and 3,291.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.09 : 3,291.89 = 3,291.89 : x
2. Step 2: Convert to fraction form
   2,559.09/3,291.89 = 3,291.89/x
3. Step 3: Cross multiply
   2,559.09x = 3,291.89 × 3,291.89
4. Step 4: Simplify right side
   2,559.09x = 10,836,543.89
5. Step 5: Solve for x
   x = 10,836,543.89/2,559.09
6. Step 6: Final answer
   x = 4,234.52