Finding the Third Proportional to 978,686 and 1,474,044

Step by Step Solution

1. Step 1: Write the proportion equation
   978,686 : 1,474,044 = 1,474,044 : x
2. Step 2: Convert to fraction form
   978,686/1,474,044 = 1,474,044/x
3. Step 3: Cross multiply
   978,686x = 1,474,044 × 1,474,044
4. Step 4: Simplify right side
   978,686x = 2,172,805,713,936
5. Step 5: Solve for x
   x = 2,172,805,713,936/978,686
6. Step 6: Final answer
   x = 2,220,125.47