Finding the Third Proportional to 300.38 and 624.94

Step by Step Solution

1. Step 1: Write the proportion equation
   300.38 : 624.94 = 624.94 : x
2. Step 2: Convert to fraction form
   300.38/624.94 = 624.94/x
3. Step 3: Cross multiply
   300.38x = 624.94 × 624.94
4. Step 4: Simplify right side
   300.38x = 390,546.88
5. Step 5: Solve for x
   x = 390,546.88/300.38
6. Step 6: Final answer
   x = 1,300.20