Finding the Third Proportional to 1,438,551 and 2,147,976

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,551 : 2,147,976 = 2,147,976 : x
2. Step 2: Convert to fraction form
   1,438,551/2,147,976 = 2,147,976/x
3. Step 3: Cross multiply
   1,438,551x = 2,147,976 × 2,147,976
4. Step 4: Simplify right side
   1,438,551x = 4,613,800,896,576
5. Step 5: Solve for x
   x = 4,613,800,896,576/1,438,551
6. Step 6: Final answer
   x = 3,207,255.70