Finding the Third Proportional to 978,932 and 1,378,575

Step by Step Solution

1. Step 1: Write the proportion equation
   978,932 : 1,378,575 = 1,378,575 : x
2. Step 2: Convert to fraction form
   978,932/1,378,575 = 1,378,575/x
3. Step 3: Cross multiply
   978,932x = 1,378,575 × 1,378,575
4. Step 4: Simplify right side
   978,932x = 1,900,469,030,625
5. Step 5: Solve for x
   x = 1,900,469,030,625/978,932
6. Step 6: Final answer
   x = 1,941,369.81