Finding the Third Proportional to 404,201.25 and 673,695

Step by Step Solution

1. Step 1: Write the proportion equation
   404,201.25 : 673,695 = 673,695 : x
2. Step 2: Convert to fraction form
   404,201.25/673,695 = 673,695/x
3. Step 3: Cross multiply
   404,201.25x = 673,695 × 673,695
4. Step 4: Simplify right side
   404,201.25x = 453,864,953,025
5. Step 5: Solve for x
   x = 453,864,953,025/404,201.25
6. Step 6: Final answer
   x = 1,122,868.75