Finding the Third Proportional to 624,542 and 1,343,808

Step by Step Solution

1. Step 1: Write the proportion equation
   624,542 : 1,343,808 = 1,343,808 : x
2. Step 2: Convert to fraction form
   624,542/1,343,808 = 1,343,808/x
3. Step 3: Cross multiply
   624,542x = 1,343,808 × 1,343,808
4. Step 4: Simplify right side
   624,542x = 1,805,819,940,864
5. Step 5: Solve for x
   x = 1,805,819,940,864/624,542
6. Step 6: Final answer
   x = 2,891,430.75