Finding the Third Proportional to 268.31 and 574.59

Step by Step Solution

1. Step 1: Write the proportion equation
   268.31 : 574.59 = 574.59 : x
2. Step 2: Convert to fraction form
   268.31/574.59 = 574.59/x
3. Step 3: Cross multiply
   268.31x = 574.59 × 574.59
4. Step 4: Simplify right side
   268.31x = 330,157.98
5. Step 5: Solve for x
   x = 330,157.98/268.31
6. Step 6: Final answer
   x = 1,230.50