Finding the Third Proportional to 450.56 and 662.77

Step by Step Solution

1. Step 1: Write the proportion equation
   450.56 : 662.77 = 662.77 : x
2. Step 2: Convert to fraction form
   450.56/662.77 = 662.77/x
3. Step 3: Cross multiply
   450.56x = 662.77 × 662.77
4. Step 4: Simplify right side
   450.56x = 439,258.27
5. Step 5: Solve for x
   x = 439,258.27/450.56
6. Step 6: Final answer
   x = 974.91