Finding the Third Proportional to 404,184 and 673,604

Step by Step Solution

1. Step 1: Write the proportion equation
   404,184 : 673,604 = 673,604 : x
2. Step 2: Convert to fraction form
   404,184/673,604 = 673,604/x
3. Step 3: Cross multiply
   404,184x = 673,604 × 673,604
4. Step 4: Simplify right side
   404,184x = 453,742,348,816
5. Step 5: Solve for x
   x = 453,742,348,816/404,184
6. Step 6: Final answer
   x = 1,122,613.34