Finding the Third Proportional to 442,757 and 978,548

Step by Step Solution

1. Step 1: Write the proportion equation
   442,757 : 978,548 = 978,548 : x
2. Step 2: Convert to fraction form
   442,757/978,548 = 978,548/x
3. Step 3: Cross multiply
   442,757x = 978,548 × 978,548
4. Step 4: Simplify right side
   442,757x = 957,556,188,304
5. Step 5: Solve for x
   x = 957,556,188,304/442,757
6. Step 6: Final answer
   x = 2,162,712.70