Finding the Third Proportional to 811,449 and 1,263,096

Step by Step Solution

1. Step 1: Write the proportion equation
   811,449 : 1,263,096 = 1,263,096 : x
2. Step 2: Convert to fraction form
   811,449/1,263,096 = 1,263,096/x
3. Step 3: Cross multiply
   811,449x = 1,263,096 × 1,263,096
4. Step 4: Simplify right side
   811,449x = 1,595,411,505,216
5. Step 5: Solve for x
   x = 1,595,411,505,216/811,449
6. Step 6: Final answer
   x = 1,966,126.65