Finding the Third Proportional to 89,702 and 188,698

Step by Step Solution

1. Step 1: Write the proportion equation
   89,702 : 188,698 = 188,698 : x
2. Step 2: Convert to fraction form
   89,702/188,698 = 188,698/x
3. Step 3: Cross multiply
   89,702x = 188,698 × 188,698
4. Step 4: Simplify right side
   89,702x = 35,606,935,204
5. Step 5: Solve for x
   x = 35,606,935,204/89,702
6. Step 6: Final answer
   x = 396,946.95