Finding the Third Proportional to 818,586 and 1,262,871

Step by Step Solution

1. Step 1: Write the proportion equation
   818,586 : 1,262,871 = 1,262,871 : x
2. Step 2: Convert to fraction form
   818,586/1,262,871 = 1,262,871/x
3. Step 3: Cross multiply
   818,586x = 1,262,871 × 1,262,871
4. Step 4: Simplify right side
   818,586x = 1,594,843,162,641
5. Step 5: Solve for x
   x = 1,594,843,162,641/818,586
6. Step 6: Final answer
   x = 1,948,290.30