Finding the Third Proportional to 519.56 and 1,111.41

Step by Step Solution

1. Step 1: Write the proportion equation
   519.56 : 1,111.41 = 1,111.41 : x
2. Step 2: Convert to fraction form
   519.56/1,111.41 = 1,111.41/x
3. Step 3: Cross multiply
   519.56x = 1,111.41 × 1,111.41
4. Step 4: Simplify right side
   519.56x = 1,235,223.85
5. Step 5: Solve for x
   x = 1,235,223.85/519.56
6. Step 6: Final answer
   x = 2,377.43