Finding the Third Proportional to 187,959 and 394,369.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,959 : 394,369.50 = 394,369.50 : x
2. Step 2: Convert to fraction form
   187,959/394,369.50 = 394,369.50/x
3. Step 3: Cross multiply
   187,959x = 394,369.50 × 394,369.50
4. Step 4: Simplify right side
   187,959x = 155,527,302,530.25
5. Step 5: Solve for x
   x = 155,527,302,530.25/187,959
6. Step 6: Final answer
   x = 827,453.34