Finding the Third Proportional to 187,798.50 and 397,944

Step by Step Solution

1. Step 1: Write the proportion equation
   187,798.50 : 397,944 = 397,944 : x
2. Step 2: Convert to fraction form
   187,798.50/397,944 = 397,944/x
3. Step 3: Cross multiply
   187,798.50x = 397,944 × 397,944
4. Step 4: Simplify right side
   187,798.50x = 158,359,427,136
5. Step 5: Solve for x
   x = 158,359,427,136/187,798.50
6. Step 6: Final answer
   x = 843,241.17