Finding the Third Proportional to 1,322,463 and 1,978,569

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322,463 : 1,978,569 = 1,978,569 : x
2. Step 2: Convert to fraction form
   1,322,463/1,978,569 = 1,978,569/x
3. Step 3: Cross multiply
   1,322,463x = 1,978,569 × 1,978,569
4. Step 4: Simplify right side
   1,322,463x = 3,914,735,287,761
5. Step 5: Solve for x
   x = 3,914,735,287,761/1,322,463
6. Step 6: Final answer
   x = 2,960,185.12