Finding the Third Proportional to 261,962.50 and 394,474

Step by Step Solution

1. Step 1: Write the proportion equation
   261,962.50 : 394,474 = 394,474 : x
2. Step 2: Convert to fraction form
   261,962.50/394,474 = 394,474/x
3. Step 3: Cross multiply
   261,962.50x = 394,474 × 394,474
4. Step 4: Simplify right side
   261,962.50x = 155,609,736,676
5. Step 5: Solve for x
   x = 155,609,736,676/261,962.50
6. Step 6: Final answer
   x = 594,015.31