Finding the Third Proportional to 1,404,443 and 2,121,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,443 : 2,121,424 = 2,121,424 : x
2. Step 2: Convert to fraction form
   1,404,443/2,121,424 = 2,121,424/x
3. Step 3: Cross multiply
   1,404,443x = 2,121,424 × 2,121,424
4. Step 4: Simplify right side
   1,404,443x = 4,500,439,787,776
5. Step 5: Solve for x
   x = 4,500,439,787,776/1,404,443
6. Step 6: Final answer
   x = 3,204,430.36