Finding the Third Proportional to 404,122.29 and 673,510.57

Step by Step Solution

1. Step 1: Write the proportion equation
   404,122.29 : 673,510.57 = 673,510.57 : x
2. Step 2: Convert to fraction form
   404,122.29/673,510.57 = 673,510.57/x
3. Step 3: Cross multiply
   404,122.29x = 673,510.57 × 673,510.57
4. Step 4: Simplify right side
   404,122.29x = 453,616,488,322.67
5. Step 5: Solve for x
   x = 453,616,488,322.67/404,122.29
6. Step 6: Final answer
   x = 1,122,473.32