Finding the Third Proportional to 3,457,721 and 5,074,401

Step by Step Solution

1. Step 1: Write the proportion equation
   3,457,721 : 5,074,401 = 5,074,401 : x
2. Step 2: Convert to fraction form
   3,457,721/5,074,401 = 5,074,401/x
3. Step 3: Cross multiply
   3,457,721x = 5,074,401 × 5,074,401
4. Step 4: Simplify right side
   3,457,721x = 25,749,545,508,801
5. Step 5: Solve for x
   x = 25,749,545,508,801/3,457,721
6. Step 6: Final answer
   x = 7,446,970.28