Finding the Third Proportional to 778,197 and 1,428,522

Step by Step Solution

1. Step 1: Write the proportion equation
   778,197 : 1,428,522 = 1,428,522 : x
2. Step 2: Convert to fraction form
   778,197/1,428,522 = 1,428,522/x
3. Step 3: Cross multiply
   778,197x = 1,428,522 × 1,428,522
4. Step 4: Simplify right side
   778,197x = 2,040,675,104,484
5. Step 5: Solve for x
   x = 2,040,675,104,484/778,197
6. Step 6: Final answer
   x = 2,622,311.71