Finding the Third Proportional to 1,438,540 and 2,147,962

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,540 : 2,147,962 = 2,147,962 : x
2. Step 2: Convert to fraction form
   1,438,540/2,147,962 = 2,147,962/x
3. Step 3: Cross multiply
   1,438,540x = 2,147,962 × 2,147,962
4. Step 4: Simplify right side
   1,438,540x = 4,613,740,753,444
5. Step 5: Solve for x
   x = 4,613,740,753,444/1,438,540
6. Step 6: Final answer
   x = 3,207,238.42