Finding the Third Proportional to 89,802 and 188,901

Step by Step Solution

1. Step 1: Write the proportion equation
   89,802 : 188,901 = 188,901 : x
2. Step 2: Convert to fraction form
   89,802/188,901 = 188,901/x
3. Step 3: Cross multiply
   89,802x = 188,901 × 188,901
4. Step 4: Simplify right side
   89,802x = 35,683,587,801
5. Step 5: Solve for x
   x = 35,683,587,801/89,802
6. Step 6: Final answer
   x = 397,358.50