Finding the Third Proportional to 1,404,210 and 2,118,723

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,210 : 2,118,723 = 2,118,723 : x
2. Step 2: Convert to fraction form
   1,404,210/2,118,723 = 2,118,723/x
3. Step 3: Cross multiply
   1,404,210x = 2,118,723 × 2,118,723
4. Step 4: Simplify right side
   1,404,210x = 4,488,987,150,729
5. Step 5: Solve for x
   x = 4,488,987,150,729/1,404,210
6. Step 6: Final answer
   x = 3,196,806.14