Finding the Third Proportional to 401,112 and 855,600

Step by Step Solution

1. Step 1: Write the proportion equation
   401,112 : 855,600 = 855,600 : x
2. Step 2: Convert to fraction form
   401,112/855,600 = 855,600/x
3. Step 3: Cross multiply
   401,112x = 855,600 × 855,600
4. Step 4: Simplify right side
   401,112x = 732,051,360,000
5. Step 5: Solve for x
   x = 732,051,360,000/401,112
6. Step 6: Final answer
   x = 1,825,054.75