Finding the Third Proportional to 89,703 and 188,700

Step by Step Solution

1. Step 1: Write the proportion equation
   89,703 : 188,700 = 188,700 : x
2. Step 2: Convert to fraction form
   89,703/188,700 = 188,700/x
3. Step 3: Cross multiply
   89,703x = 188,700 × 188,700
4. Step 4: Simplify right side
   89,703x = 35,607,690,000
5. Step 5: Solve for x
   x = 35,607,690,000/89,703
6. Step 6: Final answer
   x = 396,950.94