Finding the Third Proportional to 978,596 and 1,512,428

Step by Step Solution

1. Step 1: Write the proportion equation
   978,596 : 1,512,428 = 1,512,428 : x
2. Step 2: Convert to fraction form
   978,596/1,512,428 = 1,512,428/x
3. Step 3: Cross multiply
   978,596x = 1,512,428 × 1,512,428
4. Step 4: Simplify right side
   978,596x = 2,287,438,455,184
5. Step 5: Solve for x
   x = 2,287,438,455,184/978,596
6. Step 6: Final answer
   x = 2,337,469.66