Finding the Third Proportional to 790,862 and 1,225,618

Step by Step Solution

1. Step 1: Write the proportion equation
   790,862 : 1,225,618 = 1,225,618 : x
2. Step 2: Convert to fraction form
   790,862/1,225,618 = 1,225,618/x
3. Step 3: Cross multiply
   790,862x = 1,225,618 × 1,225,618
4. Step 4: Simplify right side
   790,862x = 1,502,139,481,924
5. Step 5: Solve for x
   x = 1,502,139,481,924/790,862
6. Step 6: Final answer
   x = 1,899,369.91