Finding the Third Proportional to 3,368,540 and 5,177,742

Step by Step Solution

1. Step 1: Write the proportion equation
   3,368,540 : 5,177,742 = 5,177,742 : x
2. Step 2: Convert to fraction form
   3,368,540/5,177,742 = 5,177,742/x
3. Step 3: Cross multiply
   3,368,540x = 5,177,742 × 5,177,742
4. Step 4: Simplify right side
   3,368,540x = 26,809,012,218,564
5. Step 5: Solve for x
   x = 26,809,012,218,564/3,368,540
6. Step 6: Final answer
   x = 7,958,644.46