Finding the Third Proportional to 978,816 and 1,512,612

Step by Step Solution

1. Step 1: Write the proportion equation
   978,816 : 1,512,612 = 1,512,612 : x
2. Step 2: Convert to fraction form
   978,816/1,512,612 = 1,512,612/x
3. Step 3: Cross multiply
   978,816x = 1,512,612 × 1,512,612
4. Step 4: Simplify right side
   978,816x = 2,287,995,062,544
5. Step 5: Solve for x
   x = 2,287,995,062,544/978,816
6. Step 6: Final answer
   x = 2,337,512.94