Finding the Third Proportional to 624,858 and 1,344,648

Step by Step Solution

1. Step 1: Write the proportion equation
   624,858 : 1,344,648 = 1,344,648 : x
2. Step 2: Convert to fraction form
   624,858/1,344,648 = 1,344,648/x
3. Step 3: Cross multiply
   624,858x = 1,344,648 × 1,344,648
4. Step 4: Simplify right side
   624,858x = 1,808,078,243,904
5. Step 5: Solve for x
   x = 1,808,078,243,904/624,858
6. Step 6: Final answer
   x = 2,893,582.61