Finding the Third Proportional to 574.59 and 1,258.03

Step by Step Solution

1. Step 1: Write the proportion equation
   574.59 : 1,258.03 = 1,258.03 : x
2. Step 2: Convert to fraction form
   574.59/1,258.03 = 1,258.03/x
3. Step 3: Cross multiply
   574.59x = 1,258.03 × 1,258.03
4. Step 4: Simplify right side
   574.59x = 1,582,642.63
5. Step 5: Solve for x
   x = 1,582,642.63/574.59
6. Step 6: Final answer
   x = 2,754.37