Finding the Third Proportional to 1,139.06 and 2,443.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139.06 : 2,443.29 = 2,443.29 : x
2. Step 2: Convert to fraction form
   1,139.06/2,443.29 = 2,443.29/x
3. Step 3: Cross multiply
   1,139.06x = 2,443.29 × 2,443.29
4. Step 4: Simplify right side
   1,139.06x = 5,969,661.44
5. Step 5: Solve for x
   x = 5,969,661.44/1,139.06
6. Step 6: Final answer
   x = 5,240.86