Finding the Third Proportional to 107,892 and 220,066

Step by Step Solution

1. Step 1: Write the proportion equation
   107,892 : 220,066 = 220,066 : x
2. Step 2: Convert to fraction form
   107,892/220,066 = 220,066/x
3. Step 3: Cross multiply
   107,892x = 220,066 × 220,066
4. Step 4: Simplify right side
   107,892x = 48,429,044,356
5. Step 5: Solve for x
   x = 48,429,044,356/107,892
6. Step 6: Final answer
   x = 448,865.94