Finding the Third Proportional to 644,794 and 1,401,534

Step by Step Solution

1. Step 1: Write the proportion equation
   644,794 : 1,401,534 = 1,401,534 : x
2. Step 2: Convert to fraction form
   644,794/1,401,534 = 1,401,534/x
3. Step 3: Cross multiply
   644,794x = 1,401,534 × 1,401,534
4. Step 4: Simplify right side
   644,794x = 1,964,297,553,156
5. Step 5: Solve for x
   x = 1,964,297,553,156/644,794
6. Step 6: Final answer
   x = 3,046,395.52