Finding the Third Proportional to 442,754 and 978,536

Step by Step Solution

1. Step 1: Write the proportion equation
   442,754 : 978,536 = 978,536 : x
2. Step 2: Convert to fraction form
   442,754/978,536 = 978,536/x
3. Step 3: Cross multiply
   442,754x = 978,536 × 978,536
4. Step 4: Simplify right side
   442,754x = 957,532,703,296
5. Step 5: Solve for x
   x = 957,532,703,296/442,754
6. Step 6: Final answer
   x = 2,162,674.31