Finding the Third Proportional to 978,596 and 2,120,044

Step by Step Solution

1. Step 1: Write the proportion equation
   978,596 : 2,120,044 = 2,120,044 : x
2. Step 2: Convert to fraction form
   978,596/2,120,044 = 2,120,044/x
3. Step 3: Cross multiply
   978,596x = 2,120,044 × 2,120,044
4. Step 4: Simplify right side
   978,596x = 4,494,586,561,936
5. Step 5: Solve for x
   x = 4,494,586,561,936/978,596
6. Step 6: Final answer
   x = 4,592,892.84