Finding the Third Proportional to 624,864 and 1,344,660

Step by Step Solution

1. Step 1: Write the proportion equation
   624,864 : 1,344,660 = 1,344,660 : x
2. Step 2: Convert to fraction form
   624,864/1,344,660 = 1,344,660/x
3. Step 3: Cross multiply
   624,864x = 1,344,660 × 1,344,660
4. Step 4: Simplify right side
   624,864x = 1,808,110,515,600
5. Step 5: Solve for x
   x = 1,808,110,515,600/624,864
6. Step 6: Final answer
   x = 2,893,606.47