Finding the Third Proportional to 199,564.50 and 443,416.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,564.50 : 443,416.50 = 443,416.50 : x
2. Step 2: Convert to fraction form
   199,564.50/443,416.50 = 443,416.50/x
3. Step 3: Cross multiply
   199,564.50x = 443,416.50 × 443,416.50
4. Step 4: Simplify right side
   199,564.50x = 196,618,192,472.25
5. Step 5: Solve for x
   x = 196,618,192,472.25/199,564.50
6. Step 6: Final answer
   x = 985,236.31