Finding the Third Proportional to 811,499 and 1,261,546

Step by Step Solution

1. Step 1: Write the proportion equation
   811,499 : 1,261,546 = 1,261,546 : x
2. Step 2: Convert to fraction form
   811,499/1,261,546 = 1,261,546/x
3. Step 3: Cross multiply
   811,499x = 1,261,546 × 1,261,546
4. Step 4: Simplify right side
   811,499x = 1,591,498,310,116
5. Step 5: Solve for x
   x = 1,591,498,310,116/811,499
6. Step 6: Final answer
   x = 1,961,183.33