Finding the Third Proportional to 810,758 and 1,271,814

Step by Step Solution

1. Step 1: Write the proportion equation
   810,758 : 1,271,814 = 1,271,814 : x
2. Step 2: Convert to fraction form
   810,758/1,271,814 = 1,271,814/x
3. Step 3: Cross multiply
   810,758x = 1,271,814 × 1,271,814
4. Step 4: Simplify right side
   810,758x = 1,617,510,850,596
5. Step 5: Solve for x
   x = 1,617,510,850,596/810,758
6. Step 6: Final answer
   x = 1,995,059.99