Finding the Third Proportional to 1,239,040 and 1,822,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,040 : 1,822,268 = 1,822,268 : x
2. Step 2: Convert to fraction form
   1,239,040/1,822,268 = 1,822,268/x
3. Step 3: Cross multiply
   1,239,040x = 1,822,268 × 1,822,268
4. Step 4: Simplify right side
   1,239,040x = 3,320,660,663,824
5. Step 5: Solve for x
   x = 3,320,660,663,824/1,239,040
6. Step 6: Final answer
   x = 2,680,027.01