Finding the Third Proportional to 225,492 and 485,868

Step by Step Solution

1. Step 1: Write the proportion equation
   225,492 : 485,868 = 485,868 : x
2. Step 2: Convert to fraction form
   225,492/485,868 = 485,868/x
3. Step 3: Cross multiply
   225,492x = 485,868 × 485,868
4. Step 4: Simplify right side
   225,492x = 236,067,713,424
5. Step 5: Solve for x
   x = 236,067,713,424/225,492
6. Step 6: Final answer
   x = 1,046,900.61