Finding the Third Proportional to 811,876 and 1,743,458

Step by Step Solution

1. Step 1: Write the proportion equation
   811,876 : 1,743,458 = 1,743,458 : x
2. Step 2: Convert to fraction form
   811,876/1,743,458 = 1,743,458/x
3. Step 3: Cross multiply
   811,876x = 1,743,458 × 1,743,458
4. Step 4: Simplify right side
   811,876x = 3,039,645,797,764
5. Step 5: Solve for x
   x = 3,039,645,797,764/811,876
6. Step 6: Final answer
   x = 3,743,977.90