Finding the Third Proportional to 587,580 and 1,285,869

Step by Step Solution

1. Step 1: Write the proportion equation
   587,580 : 1,285,869 = 1,285,869 : x
2. Step 2: Convert to fraction form
   587,580/1,285,869 = 1,285,869/x
3. Step 3: Cross multiply
   587,580x = 1,285,869 × 1,285,869
4. Step 4: Simplify right side
   587,580x = 1,653,459,085,161
5. Step 5: Solve for x
   x = 1,653,459,085,161/587,580
6. Step 6: Final answer
   x = 2,814,015.26