Finding the Third Proportional to 587,506 and 1,288,494

Step by Step Solution

1. Step 1: Write the proportion equation
   587,506 : 1,288,494 = 1,288,494 : x
2. Step 2: Convert to fraction form
   587,506/1,288,494 = 1,288,494/x
3. Step 3: Cross multiply
   587,506x = 1,288,494 × 1,288,494
4. Step 4: Simplify right side
   587,506x = 1,660,216,788,036
5. Step 5: Solve for x
   x = 1,660,216,788,036/587,506
6. Step 6: Final answer
   x = 2,825,872.06