Finding the Third Proportional to 1,864,640 and 4,083,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864,640 : 4,083,628 = 4,083,628 : x
2. Step 2: Convert to fraction form
   1,864,640/4,083,628 = 4,083,628/x
3. Step 3: Cross multiply
   1,864,640x = 4,083,628 × 4,083,628
4. Step 4: Simplify right side
   1,864,640x = 16,676,017,642,384
5. Step 5: Solve for x
   x = 16,676,017,642,384/1,864,640
6. Step 6: Final answer
   x = 8,943,290.74