Finding the Third Proportional to 3,328,770 and 7,171,758

Step by Step Solution

1. Step 1: Write the proportion equation
   3,328,770 : 7,171,758 = 7,171,758 : x
2. Step 2: Convert to fraction form
   3,328,770/7,171,758 = 7,171,758/x
3. Step 3: Cross multiply
   3,328,770x = 7,171,758 × 7,171,758
4. Step 4: Simplify right side
   3,328,770x = 51,434,112,810,564
5. Step 5: Solve for x
   x = 51,434,112,810,564/3,328,770
6. Step 6: Final answer
   x = 15,451,386.79