Finding the Third Proportional to 3,914,004 and 5,511,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914,004 : 5,511,780 = 5,511,780 : x
2. Step 2: Convert to fraction form
   3,914,004/5,511,780 = 5,511,780/x
3. Step 3: Cross multiply
   3,914,004x = 5,511,780 × 5,511,780
4. Step 4: Simplify right side
   3,914,004x = 30,379,718,768,400
5. Step 5: Solve for x
   x = 30,379,718,768,400/3,914,004
6. Step 6: Final answer
   x = 7,761,800.64