Finding the Third Proportional to 89,155 and 195,805

Step by Step Solution

1. Step 1: Write the proportion equation
   89,155 : 195,805 = 195,805 : x
2. Step 2: Convert to fraction form
   89,155/195,805 = 195,805/x
3. Step 3: Cross multiply
   89,155x = 195,805 × 195,805
4. Step 4: Simplify right side
   89,155x = 38,339,598,025
5. Step 5: Solve for x
   x = 38,339,598,025/89,155
6. Step 6: Final answer
   x = 430,033.07