Finding the Third Proportional to 207,009.50 and 443,530

Step by Step Solution

1. Step 1: Write the proportion equation
   207,009.50 : 443,530 = 443,530 : x
2. Step 2: Convert to fraction form
   207,009.50/443,530 = 443,530/x
3. Step 3: Cross multiply
   207,009.50x = 443,530 × 443,530
4. Step 4: Simplify right side
   207,009.50x = 196,718,860,900
5. Step 5: Solve for x
   x = 196,718,860,900/207,009.50
6. Step 6: Final answer
   x = 950,289.05