Finding the Third Proportional to 3,294,016 and 7,137,872

Step by Step Solution

1. Step 1: Write the proportion equation
   3,294,016 : 7,137,872 = 7,137,872 : x
2. Step 2: Convert to fraction form
   3,294,016/7,137,872 = 7,137,872/x
3. Step 3: Cross multiply
   3,294,016x = 7,137,872 × 7,137,872
4. Step 4: Simplify right side
   3,294,016x = 50,949,216,688,384
5. Step 5: Solve for x
   x = 50,949,216,688,384/3,294,016
6. Step 6: Final answer
   x = 15,467,203.77