Finding the Third Proportional to 216,356 and 475,336

Step by Step Solution

1. Step 1: Write the proportion equation
   216,356 : 475,336 = 475,336 : x
2. Step 2: Convert to fraction form
   216,356/475,336 = 475,336/x
3. Step 3: Cross multiply
   216,356x = 475,336 × 475,336
4. Step 4: Simplify right side
   216,356x = 225,944,312,896
5. Step 5: Solve for x
   x = 225,944,312,896/216,356
6. Step 6: Final answer
   x = 1,044,317.30