Finding the Third Proportional to 3,913,944 and 5,511,684

Step by Step Solution

1. Step 1: Write the proportion equation
   3,913,944 : 5,511,684 = 5,511,684 : x
2. Step 2: Convert to fraction form
   3,913,944/5,511,684 = 5,511,684/x
3. Step 3: Cross multiply
   3,913,944x = 5,511,684 × 5,511,684
4. Step 4: Simplify right side
   3,913,944x = 30,378,660,515,856
5. Step 5: Solve for x
   x = 30,378,660,515,856/3,913,944
6. Step 6: Final answer
   x = 7,761,649.25