Finding the Third Proportional to 1,039.75 and 2,404.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.75 : 2,404.25 = 2,404.25 : x
2. Step 2: Convert to fraction form
   1,039.75/2,404.25 = 2,404.25/x
3. Step 3: Cross multiply
   1,039.75x = 2,404.25 × 2,404.25
4. Step 4: Simplify right side
   1,039.75x = 5,780,418.06
5. Step 5: Solve for x
   x = 5,780,418.06/1,039.75
6. Step 6: Final answer
   x = 5,559.43