Finding the Third Proportional to 206,926 and 443,368

Step by Step Solution

1. Step 1: Write the proportion equation
   206,926 : 443,368 = 443,368 : x
2. Step 2: Convert to fraction form
   206,926/443,368 = 443,368/x
3. Step 3: Cross multiply
   206,926x = 443,368 × 443,368
4. Step 4: Simplify right side
   206,926x = 196,575,183,424
5. Step 5: Solve for x
   x = 196,575,183,424/206,926
6. Step 6: Final answer
   x = 949,978.17