Finding the Third Proportional to 89,695.50 and 188,685

Step by Step Solution

1. Step 1: Write the proportion equation
   89,695.50 : 188,685 = 188,685 : x
2. Step 2: Convert to fraction form
   89,695.50/188,685 = 188,685/x
3. Step 3: Cross multiply
   89,695.50x = 188,685 × 188,685
4. Step 4: Simplify right side
   89,695.50x = 35,602,029,225
5. Step 5: Solve for x
   x = 35,602,029,225/89,695.50
6. Step 6: Final answer
   x = 396,921.02