Finding the Third Proportional to 1,406,880 and 2,177,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406,880 : 2,177,568 = 2,177,568 : x
2. Step 2: Convert to fraction form
   1,406,880/2,177,568 = 2,177,568/x
3. Step 3: Cross multiply
   1,406,880x = 2,177,568 × 2,177,568
4. Step 4: Simplify right side
   1,406,880x = 4,741,802,394,624
5. Step 5: Solve for x
   x = 4,741,802,394,624/1,406,880
6. Step 6: Final answer
   x = 3,370,438.41