Finding the Third Proportional to 89,750 and 188,800

Step by Step Solution

1. Step 1: Write the proportion equation
   89,750 : 188,800 = 188,800 : x
2. Step 2: Convert to fraction form
   89,750/188,800 = 188,800/x
3. Step 3: Cross multiply
   89,750x = 188,800 × 188,800
4. Step 4: Simplify right side
   89,750x = 35,645,440,000
5. Step 5: Solve for x
   x = 35,645,440,000/89,750
6. Step 6: Final answer
   x = 397,163.68