Finding the Third Proportional to 500,648 and 1,036,780

Step by Step Solution

1. Step 1: Write the proportion equation
   500,648 : 1,036,780 = 1,036,780 : x
2. Step 2: Convert to fraction form
   500,648/1,036,780 = 1,036,780/x
3. Step 3: Cross multiply
   500,648x = 1,036,780 × 1,036,780
4. Step 4: Simplify right side
   500,648x = 1,074,912,768,400
5. Step 5: Solve for x
   x = 1,074,912,768,400/500,648
6. Step 6: Final answer
   x = 2,147,042.97