Finding the Third Proportional to 3,553,790 and 5,197,401

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,790 : 5,197,401 = 5,197,401 : x
2. Step 2: Convert to fraction form
   3,553,790/5,197,401 = 5,197,401/x
3. Step 3: Cross multiply
   3,553,790x = 5,197,401 × 5,197,401
4. Step 4: Simplify right side
   3,553,790x = 27,012,977,154,801
5. Step 5: Solve for x
   x = 27,012,977,154,801/3,553,790
6. Step 6: Final answer
   x = 7,601,174.28