Finding the Third Proportional to 3,553,788 and 5,197,398

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,788 : 5,197,398 = 5,197,398 : x
2. Step 2: Convert to fraction form
   3,553,788/5,197,398 = 5,197,398/x
3. Step 3: Cross multiply
   3,553,788x = 5,197,398 × 5,197,398
4. Step 4: Simplify right side
   3,553,788x = 27,012,945,970,404
5. Step 5: Solve for x
   x = 27,012,945,970,404/3,553,788
6. Step 6: Final answer
   x = 7,601,169.79