Finding the Third Proportional to 204,870 and 443,436

Step by Step Solution

1. Step 1: Write the proportion equation
   204,870 : 443,436 = 443,436 : x
2. Step 2: Convert to fraction form
   204,870/443,436 = 443,436/x
3. Step 3: Cross multiply
   204,870x = 443,436 × 443,436
4. Step 4: Simplify right side
   204,870x = 196,635,486,096
5. Step 5: Solve for x
   x = 196,635,486,096/204,870
6. Step 6: Final answer
   x = 959,806.15