Finding the Third Proportional to 1,322,559 and 1,978,704

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322,559 : 1,978,704 = 1,978,704 : x
2. Step 2: Convert to fraction form
   1,322,559/1,978,704 = 1,978,704/x
3. Step 3: Cross multiply
   1,322,559x = 1,978,704 × 1,978,704
4. Step 4: Simplify right side
   1,322,559x = 3,915,269,519,616
5. Step 5: Solve for x
   x = 3,915,269,519,616/1,322,559
6. Step 6: Final answer
   x = 2,960,374.18