Finding the Third Proportional to 1,104.57 and 2,378.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.57 : 2,378.43 = 2,378.43 : x
2. Step 2: Convert to fraction form
   1,104.57/2,378.43 = 2,378.43/x
3. Step 3: Cross multiply
   1,104.57x = 2,378.43 × 2,378.43
4. Step 4: Simplify right side
   1,104.57x = 5,656,909.20
5. Step 5: Solve for x
   x = 5,656,909.20/1,104.57
6. Step 6: Final answer
   x = 5,121.35