Finding the Third Proportional to 1,822,747 and 3,988,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,747 : 3,988,772 = 3,988,772 : x
2. Step 2: Convert to fraction form
   1,822,747/3,988,772 = 3,988,772/x
3. Step 3: Cross multiply
   1,822,747x = 3,988,772 × 3,988,772
4. Step 4: Simplify right side
   1,822,747x = 15,910,302,067,984
5. Step 5: Solve for x
   x = 15,910,302,067,984/1,822,747
6. Step 6: Final answer
   x = 8,728,749.56