Finding the Third Proportional to 206,905 and 443,338

Step by Step Solution

1. Step 1: Write the proportion equation
   206,905 : 443,338 = 443,338 : x
2. Step 2: Convert to fraction form
   206,905/443,338 = 443,338/x
3. Step 3: Cross multiply
   206,905x = 443,338 × 443,338
4. Step 4: Simplify right side
   206,905x = 196,548,582,244
5. Step 5: Solve for x
   x = 196,548,582,244/206,905
6. Step 6: Final answer
   x = 949,946.02