Finding the Third Proportional to 281,892 and 587,040

Step by Step Solution

1. Step 1: Write the proportion equation
   281,892 : 587,040 = 587,040 : x
2. Step 2: Convert to fraction form
   281,892/587,040 = 587,040/x
3. Step 3: Cross multiply
   281,892x = 587,040 × 587,040
4. Step 4: Simplify right side
   281,892x = 344,615,961,600
5. Step 5: Solve for x
   x = 344,615,961,600/281,892
6. Step 6: Final answer
   x = 1,222,510.61