Finding the Third Proportional to 978,656 and 1,512,512

Step by Step Solution

1. Step 1: Write the proportion equation
   978,656 : 1,512,512 = 1,512,512 : x
2. Step 2: Convert to fraction form
   978,656/1,512,512 = 1,512,512/x
3. Step 3: Cross multiply
   978,656x = 1,512,512 × 1,512,512
4. Step 4: Simplify right side
   978,656x = 2,287,692,550,144
5. Step 5: Solve for x
   x = 2,287,692,550,144/978,656
6. Step 6: Final answer
   x = 2,337,585.99