Finding the Third Proportional to 1,123.31 and 1,616.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.31 : 1,616.91 = 1,616.91 : x
2. Step 2: Convert to fraction form
   1,123.31/1,616.91 = 1,616.91/x
3. Step 3: Cross multiply
   1,123.31x = 1,616.91 × 1,616.91
4. Step 4: Simplify right side
   1,123.31x = 2,614,385.82
5. Step 5: Solve for x
   x = 2,614,385.82/1,123.31
6. Step 6: Final answer
   x = 2,327.39