Finding the Third Proportional to 2,091.89 and 3,239.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.89 : 3,239.11 = 3,239.11 : x
2. Step 2: Convert to fraction form
   2,091.89/3,239.11 = 3,239.11/x
3. Step 3: Cross multiply
   2,091.89x = 3,239.11 × 3,239.11
4. Step 4: Simplify right side
   2,091.89x = 10,491,829.54
5. Step 5: Solve for x
   x = 10,491,829.54/2,091.89
6. Step 6: Final answer
   x = 5,015.48