Finding the Third Proportional to 268,908 and 573,144

Step by Step Solution

1. Step 1: Write the proportion equation
   268,908 : 573,144 = 573,144 : x
2. Step 2: Convert to fraction form
   268,908/573,144 = 573,144/x
3. Step 3: Cross multiply
   268,908x = 573,144 × 573,144
4. Step 4: Simplify right side
   268,908x = 328,494,044,736
5. Step 5: Solve for x
   x = 328,494,044,736/268,908
6. Step 6: Final answer
   x = 1,221,585.24