Finding the Third Proportional to 264,493.69 and 396,738

Step by Step Solution

1. Step 1: Write the proportion equation
   264,493.69 : 396,738 = 396,738 : x
2. Step 2: Convert to fraction form
   264,493.69/396,738 = 396,738/x
3. Step 3: Cross multiply
   264,493.69x = 396,738 × 396,738
4. Step 4: Simplify right side
   264,493.69x = 157,401,040,644
5. Step 5: Solve for x
   x = 157,401,040,644/264,493.69
6. Step 6: Final answer
   x = 595,103.20