Finding the Third Proportional to 624,401 and 1,353,780

Step by Step Solution

1. Step 1: Write the proportion equation
   624,401 : 1,353,780 = 1,353,780 : x
2. Step 2: Convert to fraction form
   624,401/1,353,780 = 1,353,780/x
3. Step 3: Cross multiply
   624,401x = 1,353,780 × 1,353,780
4. Step 4: Simplify right side
   624,401x = 1,832,720,288,400
5. Step 5: Solve for x
   x = 1,832,720,288,400/624,401
6. Step 6: Final answer
   x = 2,935,165.52