Finding the Third Proportional to 203,699 and 443,830

Step by Step Solution

1. Step 1: Write the proportion equation
   203,699 : 443,830 = 443,830 : x
2. Step 2: Convert to fraction form
   203,699/443,830 = 443,830/x
3. Step 3: Cross multiply
   203,699x = 443,830 × 443,830
4. Step 4: Simplify right side
   203,699x = 196,985,068,900
5. Step 5: Solve for x
   x = 196,985,068,900/203,699
6. Step 6: Final answer
   x = 967,039.94