Finding the Third Proportional to 205,018 and 443,731

Step by Step Solution

1. Step 1: Write the proportion equation
   205,018 : 443,731 = 443,731 : x
2. Step 2: Convert to fraction form
   205,018/443,731 = 443,731/x
3. Step 3: Cross multiply
   205,018x = 443,731 × 443,731
4. Step 4: Simplify right side
   205,018x = 196,897,200,361
5. Step 5: Solve for x
   x = 196,897,200,361/205,018
6. Step 6: Final answer
   x = 960,389.82