Finding the Third Proportional to 404,274 and 673,731

Step by Step Solution

1. Step 1: Write the proportion equation
   404,274 : 673,731 = 673,731 : x
2. Step 2: Convert to fraction form
   404,274/673,731 = 673,731/x
3. Step 3: Cross multiply
   404,274x = 673,731 × 673,731
4. Step 4: Simplify right side
   404,274x = 453,913,460,361
5. Step 5: Solve for x
   x = 453,913,460,361/404,274
6. Step 6: Final answer
   x = 1,122,786.68