Finding the Third Proportional to 225,078 and 491,982

Step by Step Solution

1. Step 1: Write the proportion equation
   225,078 : 491,982 = 491,982 : x
2. Step 2: Convert to fraction form
   225,078/491,982 = 491,982/x
3. Step 3: Cross multiply
   225,078x = 491,982 × 491,982
4. Step 4: Simplify right side
   225,078x = 242,046,288,324
5. Step 5: Solve for x
   x = 242,046,288,324/225,078
6. Step 6: Final answer
   x = 1,075,388.48