Finding the Third Proportional to 187,608.50 and 410,249

Step by Step Solution

1. Step 1: Write the proportion equation
   187,608.50 : 410,249 = 410,249 : x
2. Step 2: Convert to fraction form
   187,608.50/410,249 = 410,249/x
3. Step 3: Cross multiply
   187,608.50x = 410,249 × 410,249
4. Step 4: Simplify right side
   187,608.50x = 168,304,242,001
5. Step 5: Solve for x
   x = 168,304,242,001/187,608.50
6. Step 6: Final answer
   x = 897,103.50