Finding the Third Proportional to 300.50 and 425.56

Step by Step Solution

1. Step 1: Write the proportion equation
   300.50 : 425.56 = 425.56 : x
2. Step 2: Convert to fraction form
   300.50/425.56 = 425.56/x
3. Step 3: Cross multiply
   300.50x = 425.56 × 425.56
4. Step 4: Simplify right side
   300.50x = 181,103.44
5. Step 5: Solve for x
   x = 181,103.44/300.50
6. Step 6: Final answer
   x = 602.67