Finding the Third Proportional to 587,588 and 1,285,880

Step by Step Solution

1. Step 1: Write the proportion equation
   587,588 : 1,285,880 = 1,285,880 : x
2. Step 2: Convert to fraction form
   587,588/1,285,880 = 1,285,880/x
3. Step 3: Cross multiply
   587,588x = 1,285,880 × 1,285,880
4. Step 4: Simplify right side
   587,588x = 1,653,487,374,400
5. Step 5: Solve for x
   x = 1,653,487,374,400/587,588
6. Step 6: Final answer
   x = 2,814,025.09