Finding the Third Proportional to 978,648 and 1,512,504

Step by Step Solution

1. Step 1: Write the proportion equation
   978,648 : 1,512,504 = 1,512,504 : x
2. Step 2: Convert to fraction form
   978,648/1,512,504 = 1,512,504/x
3. Step 3: Cross multiply
   978,648x = 1,512,504 × 1,512,504
4. Step 4: Simplify right side
   978,648x = 2,287,668,350,016
5. Step 5: Solve for x
   x = 2,287,668,350,016/978,648
6. Step 6: Final answer
   x = 2,337,580.37