Finding the Third Proportional to 211,524 and 443,800

Step by Step Solution

1. Step 1: Write the proportion equation
   211,524 : 443,800 = 443,800 : x
2. Step 2: Convert to fraction form
   211,524/443,800 = 443,800/x
3. Step 3: Cross multiply
   211,524x = 443,800 × 443,800
4. Step 4: Simplify right side
   211,524x = 196,958,440,000
5. Step 5: Solve for x
   x = 196,958,440,000/211,524
6. Step 6: Final answer
   x = 931,139.92