Finding the Third Proportional to 2,143,618 and 4,719,030

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,618 : 4,719,030 = 4,719,030 : x
2. Step 2: Convert to fraction form
   2,143,618/4,719,030 = 4,719,030/x
3. Step 3: Cross multiply
   2,143,618x = 4,719,030 × 4,719,030
4. Step 4: Simplify right side
   2,143,618x = 22,269,244,140,900
5. Step 5: Solve for x
   x = 22,269,244,140,900/2,143,618
6. Step 6: Final answer
   x = 10,388,625.28