Finding the Third Proportional to 624,443 and 1,343,609

Step by Step Solution

1. Step 1: Write the proportion equation
   624,443 : 1,343,609 = 1,343,609 : x
2. Step 2: Convert to fraction form
   624,443/1,343,609 = 1,343,609/x
3. Step 3: Cross multiply
   624,443x = 1,343,609 × 1,343,609
4. Step 4: Simplify right side
   624,443x = 1,805,285,144,881
5. Step 5: Solve for x
   x = 1,805,285,144,881/624,443
6. Step 6: Final answer
   x = 2,891,032.72