Finding the Third Proportional to 442,744.88 and 978,519.94

Step by Step Solution

1. Step 1: Write the proportion equation
   442,744.88 : 978,519.94 = 978,519.94 : x
2. Step 2: Convert to fraction form
   442,744.88/978,519.94 = 978,519.94/x
3. Step 3: Cross multiply
   442,744.88x = 978,519.94 × 978,519.94
4. Step 4: Simplify right side
   442,744.88x = 957,501,268,085.00
5. Step 5: Solve for x
   x = 957,501,268,085.00/442,744.88
6. Step 6: Final answer
   x = 2,162,647.89