Finding the Third Proportional to 187,569 and 388,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,569 : 388,273.50 = 388,273.50 : x
2. Step 2: Convert to fraction form
   187,569/388,273.50 = 388,273.50/x
3. Step 3: Cross multiply
   187,569x = 388,273.50 × 388,273.50
4. Step 4: Simplify right side
   187,569x = 150,756,310,802.25
5. Step 5: Solve for x
   x = 150,756,310,802.25/187,569
6. Step 6: Final answer
   x = 803,737.88