Finding the Third Proportional to 268,911 and 573,150

Step by Step Solution

1. Step 1: Write the proportion equation
   268,911 : 573,150 = 573,150 : x
2. Step 2: Convert to fraction form
   268,911/573,150 = 573,150/x
3. Step 3: Cross multiply
   268,911x = 573,150 × 573,150
4. Step 4: Simplify right side
   268,911x = 328,500,922,500
5. Step 5: Solve for x
   x = 328,500,922,500/268,911
6. Step 6: Final answer
   x = 1,221,597.19