Finding the Third Proportional to 261,595.50 and 394,314

Step by Step Solution

1. Step 1: Write the proportion equation
   261,595.50 : 394,314 = 394,314 : x
2. Step 2: Convert to fraction form
   261,595.50/394,314 = 394,314/x
3. Step 3: Cross multiply
   261,595.50x = 394,314 × 394,314
4. Step 4: Simplify right side
   261,595.50x = 155,483,530,596
5. Step 5: Solve for x
   x = 155,483,530,596/261,595.50
6. Step 6: Final answer
   x = 594,366.23