Finding the Third Proportional to 1,319,906 and 2,040,406

Step by Step Solution

1. Step 1: Write the proportion equation
   1,319,906 : 2,040,406 = 2,040,406 : x
2. Step 2: Convert to fraction form
   1,319,906/2,040,406 = 2,040,406/x
3. Step 3: Cross multiply
   1,319,906x = 2,040,406 × 2,040,406
4. Step 4: Simplify right side
   1,319,906x = 4,163,256,644,836
5. Step 5: Solve for x
   x = 4,163,256,644,836/1,319,906
6. Step 6: Final answer
   x = 3,154,206.92