Finding the Third Proportional to 2,610,400 and 5,606,401

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610,400 : 5,606,401 = 5,606,401 : x
2. Step 2: Convert to fraction form
   2,610,400/5,606,401 = 5,606,401/x
3. Step 3: Cross multiply
   2,610,400x = 5,606,401 × 5,606,401
4. Step 4: Simplify right side
   2,610,400x = 31,431,732,172,801
5. Step 5: Solve for x
   x = 31,431,732,172,801/2,610,400
6. Step 6: Final answer
   x = 12,040,963.90