Finding the Third Proportional to 811,296 and 1,262,790

Step by Step Solution

1. Step 1: Write the proportion equation
   811,296 : 1,262,790 = 1,262,790 : x
2. Step 2: Convert to fraction form
   811,296/1,262,790 = 1,262,790/x
3. Step 3: Cross multiply
   811,296x = 1,262,790 × 1,262,790
4. Step 4: Simplify right side
   811,296x = 1,594,638,584,100
5. Step 5: Solve for x
   x = 1,594,638,584,100/811,296
6. Step 6: Final answer
   x = 1,965,544.74