Finding the Third Proportional to 404,244 and 673,686

Step by Step Solution

1. Step 1: Write the proportion equation
   404,244 : 673,686 = 673,686 : x
2. Step 2: Convert to fraction form
   404,244/673,686 = 673,686/x
3. Step 3: Cross multiply
   404,244x = 673,686 × 673,686
4. Step 4: Simplify right side
   404,244x = 453,852,826,596
5. Step 5: Solve for x
   x = 453,852,826,596/404,244
6. Step 6: Final answer
   x = 1,122,720.01