Finding the Third Proportional to 1,284,142 and 1,922,019

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,142 : 1,922,019 = 1,922,019 : x
2. Step 2: Convert to fraction form
   1,284,142/1,922,019 = 1,922,019/x
3. Step 3: Cross multiply
   1,284,142x = 1,922,019 × 1,922,019
4. Step 4: Simplify right side
   1,284,142x = 3,694,157,036,361
5. Step 5: Solve for x
   x = 3,694,157,036,361/1,284,142
6. Step 6: Final answer
   x = 2,876,751.20