Finding the Third Proportional to 1,396,344 and 2,171,046

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,344 : 2,171,046 = 2,171,046 : x
2. Step 2: Convert to fraction form
   1,396,344/2,171,046 = 2,171,046/x
3. Step 3: Cross multiply
   1,396,344x = 2,171,046 × 2,171,046
4. Step 4: Simplify right side
   1,396,344x = 4,713,440,734,116
5. Step 5: Solve for x
   x = 4,713,440,734,116/1,396,344
6. Step 6: Final answer
   x = 3,375,558.41