Finding the Third Proportional to 587,584 and 1,285,872

Step by Step Solution

1. Step 1: Write the proportion equation
   587,584 : 1,285,872 = 1,285,872 : x
2. Step 2: Convert to fraction form
   587,584/1,285,872 = 1,285,872/x
3. Step 3: Cross multiply
   587,584x = 1,285,872 × 1,285,872
4. Step 4: Simplify right side
   587,584x = 1,653,466,800,384
5. Step 5: Solve for x
   x = 1,653,466,800,384/587,584
6. Step 6: Final answer
   x = 2,814,009.23