Finding the Third Proportional to 3,553,792 and 5,197,404

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,792 : 5,197,404 = 5,197,404 : x
2. Step 2: Convert to fraction form
   3,553,792/5,197,404 = 5,197,404/x
3. Step 3: Cross multiply
   3,553,792x = 5,197,404 × 5,197,404
4. Step 4: Simplify right side
   3,553,792x = 27,013,008,339,216
5. Step 5: Solve for x
   x = 27,013,008,339,216/3,553,792
6. Step 6: Final answer
   x = 7,601,178.78