Finding the Third Proportional to 404,224 and 673,676

Step by Step Solution

1. Step 1: Write the proportion equation
   404,224 : 673,676 = 673,676 : x
2. Step 2: Convert to fraction form
   404,224/673,676 = 673,676/x
3. Step 3: Cross multiply
   404,224x = 673,676 × 673,676
4. Step 4: Simplify right side
   404,224x = 453,839,352,976
5. Step 5: Solve for x
   x = 453,839,352,976/404,224
6. Step 6: Final answer
   x = 1,122,742.22