Finding the Third Proportional to 187,727.75 and 388,756

Step by Step Solution

1. Step 1: Write the proportion equation
   187,727.75 : 388,756 = 388,756 : x
2. Step 2: Convert to fraction form
   187,727.75/388,756 = 388,756/x
3. Step 3: Cross multiply
   187,727.75x = 388,756 × 388,756
4. Step 4: Simplify right side
   187,727.75x = 151,131,227,536
5. Step 5: Solve for x
   x = 151,131,227,536/187,727.75
6. Step 6: Final answer
   x = 805,055.34