Finding the Third Proportional to 1,270,984 and 2,646,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,984 : 2,646,512 = 2,646,512 : x
2. Step 2: Convert to fraction form
   1,270,984/2,646,512 = 2,646,512/x
3. Step 3: Cross multiply
   1,270,984x = 2,646,512 × 2,646,512
4. Step 4: Simplify right side
   1,270,984x = 7,004,025,766,144
5. Step 5: Solve for x
   x = 7,004,025,766,144/1,270,984
6. Step 6: Final answer
   x = 5,510,711.20