Finding the Third Proportional to 412,049.25 and 855,678

Step by Step Solution

1. Step 1: Write the proportion equation
   412,049.25 : 855,678 = 855,678 : x
2. Step 2: Convert to fraction form
   412,049.25/855,678 = 855,678/x
3. Step 3: Cross multiply
   412,049.25x = 855,678 × 855,678
4. Step 4: Simplify right side
   412,049.25x = 732,184,839,684
5. Step 5: Solve for x
   x = 732,184,839,684/412,049.25
6. Step 6: Final answer
   x = 1,776,935.26