Finding the Third Proportional to 224.72 and 303.61

Step by Step Solution

1. Step 1: Write the proportion equation
   224.72 : 303.61 = 303.61 : x
2. Step 2: Convert to fraction form
   224.72/303.61 = 303.61/x
3. Step 3: Cross multiply
   224.72x = 303.61 × 303.61
4. Step 4: Simplify right side
   224.72x = 92,178.65
5. Step 5: Solve for x
   x = 92,178.65/224.72
6. Step 6: Final answer
   x = 410.20