Finding the Third Proportional to 624,915 and 1,338,401

Step by Step Solution

1. Step 1: Write the proportion equation
   624,915 : 1,338,401 = 1,338,401 : x
2. Step 2: Convert to fraction form
   624,915/1,338,401 = 1,338,401/x
3. Step 3: Cross multiply
   624,915x = 1,338,401 × 1,338,401
4. Step 4: Simplify right side
   624,915x = 1,791,317,236,801
5. Step 5: Solve for x
   x = 1,791,317,236,801/624,915
6. Step 6: Final answer
   x = 2,866,497.42