Finding the Third Proportional to 2,815.50 and 5,919

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815.50 : 5,919 = 5,919 : x
2. Step 2: Convert to fraction form
   2,815.50/5,919 = 5,919/x
3. Step 3: Cross multiply
   2,815.50x = 5,919 × 5,919
4. Step 4: Simplify right side
   2,815.50x = 35,034,561
5. Step 5: Solve for x
   x = 35,034,561/2,815.50
6. Step 6: Final answer
   x = 12,443.46