Finding the Third Proportional to 585,618 and 1,222,068

Step by Step Solution

1. Step 1: Write the proportion equation
   585,618 : 1,222,068 = 1,222,068 : x
2. Step 2: Convert to fraction form
   585,618/1,222,068 = 1,222,068/x
3. Step 3: Cross multiply
   585,618x = 1,222,068 × 1,222,068
4. Step 4: Simplify right side
   585,618x = 1,493,450,196,624
5. Step 5: Solve for x
   x = 1,493,450,196,624/585,618
6. Step 6: Final answer
   x = 2,550,212.25