Finding the Third Proportional to 206,948 and 443,410

Step by Step Solution

1. Step 1: Write the proportion equation
   206,948 : 443,410 = 443,410 : x
2. Step 2: Convert to fraction form
   206,948/443,410 = 443,410/x
3. Step 3: Cross multiply
   206,948x = 443,410 × 443,410
4. Step 4: Simplify right side
   206,948x = 196,612,428,100
5. Step 5: Solve for x
   x = 196,612,428,100/206,948
6. Step 6: Final answer
   x = 950,057.15