Finding the Third Proportional to 1,399,934 and 2,171,828

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,934 : 2,171,828 = 2,171,828 : x
2. Step 2: Convert to fraction form
   1,399,934/2,171,828 = 2,171,828/x
3. Step 3: Cross multiply
   1,399,934x = 2,171,828 × 2,171,828
4. Step 4: Simplify right side
   1,399,934x = 4,716,836,861,584
5. Step 5: Solve for x
   x = 4,716,836,861,584/1,399,934
6. Step 6: Final answer
   x = 3,369,328.03