Finding the Third Proportional to 297.56 and 443.91

Step by Step Solution

1. Step 1: Write the proportion equation
   297.56 : 443.91 = 443.91 : x
2. Step 2: Convert to fraction form
   297.56/443.91 = 443.91/x
3. Step 3: Cross multiply
   297.56x = 443.91 × 443.91
4. Step 4: Simplify right side
   297.56x = 197,052.76
5. Step 5: Solve for x
   x = 197,052.76/297.56
6. Step 6: Final answer
   x = 662.22