Finding the Third Proportional to 187,152.75 and 397,665

Step by Step Solution

1. Step 1: Write the proportion equation
   187,152.75 : 397,665 = 397,665 : x
2. Step 2: Convert to fraction form
   187,152.75/397,665 = 397,665/x
3. Step 3: Cross multiply
   187,152.75x = 397,665 × 397,665
4. Step 4: Simplify right side
   187,152.75x = 158,137,452,225
5. Step 5: Solve for x
   x = 158,137,452,225/187,152.75
6. Step 6: Final answer
   x = 844,964.62