Finding the Third Proportional to 587,992 and 1,288,079

Step by Step Solution

1. Step 1: Write the proportion equation
   587,992 : 1,288,079 = 1,288,079 : x
2. Step 2: Convert to fraction form
   587,992/1,288,079 = 1,288,079/x
3. Step 3: Cross multiply
   587,992x = 1,288,079 × 1,288,079
4. Step 4: Simplify right side
   587,992x = 1,659,147,510,241
5. Step 5: Solve for x
   x = 1,659,147,510,241/587,992
6. Step 6: Final answer
   x = 2,821,717.83