Finding the Third Proportional to 1,866,816 and 4,071,508

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,816 : 4,071,508 = 4,071,508 : x
2. Step 2: Convert to fraction form
   1,866,816/4,071,508 = 4,071,508/x
3. Step 3: Cross multiply
   1,866,816x = 4,071,508 × 4,071,508
4. Step 4: Simplify right side
   1,866,816x = 16,577,177,394,064
5. Step 5: Solve for x
   x = 16,577,177,394,064/1,866,816
6. Step 6: Final answer
   x = 8,879,920.35