Finding the Third Proportional to 279.56 and 443.81

Step by Step Solution

1. Step 1: Write the proportion equation
   279.56 : 443.81 = 443.81 : x
2. Step 2: Convert to fraction form
   279.56/443.81 = 443.81/x
3. Step 3: Cross multiply
   279.56x = 443.81 × 443.81
4. Step 4: Simplify right side
   279.56x = 196,969.54
5. Step 5: Solve for x
   x = 196,969.54/279.56
6. Step 6: Final answer
   x = 704.56