Finding the Third Proportional to 326,986.50 and 443,823

Step by Step Solution

1. Step 1: Write the proportion equation
   326,986.50 : 443,823 = 443,823 : x
2. Step 2: Convert to fraction form
   326,986.50/443,823 = 443,823/x
3. Step 3: Cross multiply
   326,986.50x = 443,823 × 443,823
4. Step 4: Simplify right side
   326,986.50x = 196,978,855,329
5. Step 5: Solve for x
   x = 196,978,855,329/326,986.50
6. Step 6: Final answer
   x = 602,406.69