Finding the Third Proportional to 3,913,982 and 5,511,747

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913,982 : 5,511,747 = 5,511,747 : x
2. Step 2: Convert to fraction form
   3,913,982/5,511,747 = 5,511,747/x
3. Step 3: Cross multiply
   3,913,982x = 5,511,747 × 5,511,747
4. Step 4: Simplify right side
   3,913,982x = 30,379,354,992,009
5. Step 5: Solve for x
   x = 30,379,354,992,009/3,913,982
6. Step 6: Final answer
   x = 7,761,751.33