Finding the Third Proportional to 2,143,622 and 4,719,042

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,622 : 4,719,042 = 4,719,042 : x
2. Step 2: Convert to fraction form
   2,143,622/4,719,042 = 4,719,042/x
3. Step 3: Cross multiply
   2,143,622x = 4,719,042 × 4,719,042
4. Step 4: Simplify right side
   2,143,622x = 22,269,357,397,764
5. Step 5: Solve for x
   x = 22,269,357,397,764/2,143,622
6. Step 6: Final answer
   x = 10,388,658.73