Finding the Third Proportional to 298.69 and 448.03

Step by Step Solution

1. Step 1: Write the proportion equation
   298.69 : 448.03 = 448.03 : x
2. Step 2: Convert to fraction form
   298.69/448.03 = 448.03/x
3. Step 3: Cross multiply
   298.69x = 448.03 × 448.03
4. Step 4: Simplify right side
   298.69x = 200,732.00
5. Step 5: Solve for x
   x = 200,732.00/298.69
6. Step 6: Final answer
   x = 672.05