Finding the Third Proportional to 1,822,806 and 3,988,887

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,806 : 3,988,887 = 3,988,887 : x
2. Step 2: Convert to fraction form
   1,822,806/3,988,887 = 3,988,887/x
3. Step 3: Cross multiply
   1,822,806x = 3,988,887 × 3,988,887
4. Step 4: Simplify right side
   1,822,806x = 15,911,219,498,769
5. Step 5: Solve for x
   x = 15,911,219,498,769/1,822,806
6. Step 6: Final answer
   x = 8,728,970.33