Finding the Third Proportional to 851,040 and 1,843,920

Step by Step Solution

1. Step 1: Write the proportion equation
   851,040 : 1,843,920 = 1,843,920 : x
2. Step 2: Convert to fraction form
   851,040/1,843,920 = 1,843,920/x
3. Step 3: Cross multiply
   851,040x = 1,843,920 × 1,843,920
4. Step 4: Simplify right side
   851,040x = 3,400,040,966,400
5. Step 5: Solve for x
   x = 3,400,040,966,400/851,040
6. Step 6: Final answer
   x = 3,995,160