Finding the Third Proportional to 216,522 and 475,486

Step by Step Solution

1. Step 1: Write the proportion equation
   216,522 : 475,486 = 475,486 : x
2. Step 2: Convert to fraction form
   216,522/475,486 = 475,486/x
3. Step 3: Cross multiply
   216,522x = 475,486 × 475,486
4. Step 4: Simplify right side
   216,522x = 226,086,936,196
5. Step 5: Solve for x
   x = 226,086,936,196/216,522
6. Step 6: Final answer
   x = 1,044,175.35