Finding the Third Proportional to 170,568 and 269,892

Step by Step Solution

1. Step 1: Write the proportion equation
   170,568 : 269,892 = 269,892 : x
2. Step 2: Convert to fraction form
   170,568/269,892 = 269,892/x
3. Step 3: Cross multiply
   170,568x = 269,892 × 269,892
4. Step 4: Simplify right side
   170,568x = 72,841,691,664
5. Step 5: Solve for x
   x = 72,841,691,664/170,568
6. Step 6: Final answer
   x = 427,053.68