Finding the Third Proportional to 108,864 and 171,072

Step by Step Solution

1. Step 1: Write the proportion equation
   108,864 : 171,072 = 171,072 : x
2. Step 2: Convert to fraction form
   108,864/171,072 = 171,072/x
3. Step 3: Cross multiply
   108,864x = 171,072 × 171,072
4. Step 4: Simplify right side
   108,864x = 29,265,629,184
5. Step 5: Solve for x
   x = 29,265,629,184/108,864
6. Step 6: Final answer
   x = 268,827.43