Finding the Third Proportional to 1,040.61 and 2,229.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.61 : 2,229.29 = 2,229.29 : x
2. Step 2: Convert to fraction form
   1,040.61/2,229.29 = 2,229.29/x
3. Step 3: Cross multiply
   1,040.61x = 2,229.29 × 2,229.29
4. Step 4: Simplify right side
   1,040.61x = 4,969,747.14
5. Step 5: Solve for x
   x = 4,969,747.14/1,040.61
6. Step 6: Final answer
   x = 4,775.81