Finding the Third Proportional to 300.38 and 446.34

Step by Step Solution

1. Step 1: Write the proportion equation
   300.38 : 446.34 = 446.34 : x
2. Step 2: Convert to fraction form
   300.38/446.34 = 446.34/x
3. Step 3: Cross multiply
   300.38x = 446.34 × 446.34
4. Step 4: Simplify right side
   300.38x = 199,222.74
5. Step 5: Solve for x
   x = 199,222.74/300.38
6. Step 6: Final answer
   x = 663.25