Finding the Third Proportional to 811,458 and 1,263,114

Step by Step Solution

1. Step 1: Write the proportion equation
   811,458 : 1,263,114 = 1,263,114 : x
2. Step 2: Convert to fraction form
   811,458/1,263,114 = 1,263,114/x
3. Step 3: Cross multiply
   811,458x = 1,263,114 × 1,263,114
4. Step 4: Simplify right side
   811,458x = 1,595,456,976,996
5. Step 5: Solve for x
   x = 1,595,456,976,996/811,458
6. Step 6: Final answer
   x = 1,966,160.88