Finding the Third Proportional to 404,840.25 and 871,959.38

Step by Step Solution

1. Step 1: Write the proportion equation
   404,840.25 : 871,959.38 = 871,959.38 : x
2. Step 2: Convert to fraction form
   404,840.25/871,959.38 = 871,959.38/x
3. Step 3: Cross multiply
   404,840.25x = 871,959.38 × 871,959.38
4. Step 4: Simplify right side
   404,840.25x = 760,313,151,650.39
5. Step 5: Solve for x
   x = 760,313,151,650.39/404,840.25
6. Step 6: Final answer
   x = 1,878,057.21