Finding the Third Proportional to 1,267,812 and 1,862,919

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,812 : 1,862,919 = 1,862,919 : x
2. Step 2: Convert to fraction form
   1,267,812/1,862,919 = 1,862,919/x
3. Step 3: Cross multiply
   1,267,812x = 1,862,919 × 1,862,919
4. Step 4: Simplify right side
   1,267,812x = 3,470,467,200,561
5. Step 5: Solve for x
   x = 3,470,467,200,561/1,267,812
6. Step 6: Final answer
   x = 2,737,367.37