Finding the Third Proportional to 171,034 and 268,298

Step by Step Solution

1. Step 1: Write the proportion equation
   171,034 : 268,298 = 268,298 : x
2. Step 2: Convert to fraction form
   171,034/268,298 = 268,298/x
3. Step 3: Cross multiply
   171,034x = 268,298 × 268,298
4. Step 4: Simplify right side
   171,034x = 71,983,816,804
5. Step 5: Solve for x
   x = 71,983,816,804/171,034
6. Step 6: Final answer
   x = 420,874.31