Finding the Third Proportional to 199,530 and 443,400.75

Step by Step Solution

1. Step 1: Write the proportion equation
   199,530 : 443,400.75 = 443,400.75 : x
2. Step 2: Convert to fraction form
   199,530/443,400.75 = 443,400.75/x
3. Step 3: Cross multiply
   199,530x = 443,400.75 × 443,400.75
4. Step 4: Simplify right side
   199,530x = 196,604,225,100.56
5. Step 5: Solve for x
   x = 196,604,225,100.56/199,530
6. Step 6: Final answer
   x = 985,336.67