Finding the Third Proportional to 269,920 and 573,048

Step by Step Solution

1. Step 1: Write the proportion equation
   269,920 : 573,048 = 573,048 : x
2. Step 2: Convert to fraction form
   269,920/573,048 = 573,048/x
3. Step 3: Cross multiply
   269,920x = 573,048 × 573,048
4. Step 4: Simplify right side
   269,920x = 328,384,010,304
5. Step 5: Solve for x
   x = 328,384,010,304/269,920
6. Step 6: Final answer
   x = 1,216,597.55