Finding the Third Proportional to 1,036,707 and 1,622,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,707 : 1,622,780 = 1,622,780 : x
2. Step 2: Convert to fraction form
   1,036,707/1,622,780 = 1,622,780/x
3. Step 3: Cross multiply
   1,036,707x = 1,622,780 × 1,622,780
4. Step 4: Simplify right side
   1,036,707x = 2,633,414,928,400
5. Step 5: Solve for x
   x = 2,633,414,928,400/1,036,707
6. Step 6: Final answer
   x = 2,540,172.81