Finding the Third Proportional to 2,123.91 and 3,280.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.91 : 3,280.59 = 3,280.59 : x
2. Step 2: Convert to fraction form
   2,123.91/3,280.59 = 3,280.59/x
3. Step 3: Cross multiply
   2,123.91x = 3,280.59 × 3,280.59
4. Step 4: Simplify right side
   2,123.91x = 10,762,295.35
5. Step 5: Solve for x
   x = 10,762,295.35/2,123.91
6. Step 6: Final answer
   x = 5,067.22