Finding the Third Proportional to 1,036,720 and 1,622,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,720 : 1,622,800 = 1,622,800 : x
2. Step 2: Convert to fraction form
   1,036,720/1,622,800 = 1,622,800/x
3. Step 3: Cross multiply
   1,036,720x = 1,622,800 × 1,622,800
4. Step 4: Simplify right side
   1,036,720x = 2,633,479,840,000
5. Step 5: Solve for x
   x = 2,633,479,840,000/1,036,720
6. Step 6: Final answer
   x = 2,540,203.57