Finding the Third Proportional to 404,193 and 673,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,193 : 673,681.50 = 673,681.50 : x
2. Step 2: Convert to fraction form
   404,193/673,681.50 = 673,681.50/x
3. Step 3: Cross multiply
   404,193x = 673,681.50 × 673,681.50
4. Step 4: Simplify right side
   404,193x = 453,846,763,442.25
5. Step 5: Solve for x
   x = 453,846,763,442.25/404,193
6. Step 6: Final answer
   x = 1,122,846.67