Finding the Third Proportional to 268.10 and 403.52

Step by Step Solution

1. Step 1: Write the proportion equation
   268.10 : 403.52 = 403.52 : x
2. Step 2: Convert to fraction form
   268.10/403.52 = 403.52/x
3. Step 3: Cross multiply
   268.10x = 403.52 × 403.52
4. Step 4: Simplify right side
   268.10x = 162,831.16
5. Step 5: Solve for x
   x = 162,831.16/268.10
6. Step 6: Final answer
   x = 607.35