Finding the Third Proportional to 1,305,996 and 1,978,745

Step by Step Solution

1. Step 1: Write the proportion equation
   1,305,996 : 1,978,745 = 1,978,745 : x
2. Step 2: Convert to fraction form
   1,305,996/1,978,745 = 1,978,745/x
3. Step 3: Cross multiply
   1,305,996x = 1,978,745 × 1,978,745
4. Step 4: Simplify right side
   1,305,996x = 3,915,431,775,025
5. Step 5: Solve for x
   x = 3,915,431,775,025/1,305,996
6. Step 6: Final answer
   x = 2,998,042.70