Finding the Third Proportional to 264.38 and 550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264.38 : 550.50 = 550.50 : x
2. Step 2: Convert to fraction form
   264.38/550.50 = 550.50/x
3. Step 3: Cross multiply
   264.38x = 550.50 × 550.50
4. Step 4: Simplify right side
   264.38x = 303,050.25
5. Step 5: Solve for x
   x = 303,050.25/264.38
6. Step 6: Final answer
   x = 1,146.29