Finding the Third Proportional to 229.38 and 333.88

Step by Step Solution

1. Step 1: Write the proportion equation
   229.38 : 333.88 = 333.88 : x
2. Step 2: Convert to fraction form
   229.38/333.88 = 333.88/x
3. Step 3: Cross multiply
   229.38x = 333.88 × 333.88
4. Step 4: Simplify right side
   229.38x = 111,472.52
5. Step 5: Solve for x
   x = 111,472.52/229.38
6. Step 6: Final answer
   x = 485.98