Finding the Third Proportional to 442,755 and 978,544

Step by Step Solution

1. Step 1: Write the proportion equation
   442,755 : 978,544 = 978,544 : x
2. Step 2: Convert to fraction form
   442,755/978,544 = 978,544/x
3. Step 3: Cross multiply
   442,755x = 978,544 × 978,544
4. Step 4: Simplify right side
   442,755x = 957,548,359,936
5. Step 5: Solve for x
   x = 957,548,359,936/442,755
6. Step 6: Final answer
   x = 2,162,704.79