Finding the Third Proportional to 790,874 and 1,225,636

Step by Step Solution

1. Step 1: Write the proportion equation
   790,874 : 1,225,636 = 1,225,636 : x
2. Step 2: Convert to fraction form
   790,874/1,225,636 = 1,225,636/x
3. Step 3: Cross multiply
   790,874x = 1,225,636 × 1,225,636
4. Step 4: Simplify right side
   790,874x = 1,502,183,604,496
5. Step 5: Solve for x
   x = 1,502,183,604,496/790,874
6. Step 6: Final answer
   x = 1,899,396.88