Finding the Third Proportional to 1,123.41 and 1,724.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.41 : 1,724.25 = 1,724.25 : x
2. Step 2: Convert to fraction form
   1,123.41/1,724.25 = 1,724.25/x
3. Step 3: Cross multiply
   1,123.41x = 1,724.25 × 1,724.25
4. Step 4: Simplify right side
   1,123.41x = 2,973,038.06
5. Step 5: Solve for x
   x = 2,973,038.06/1,123.41
6. Step 6: Final answer
   x = 2,646.45