Finding the Third Proportional to 326,976 and 443,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,976 : 443,806.50 = 443,806.50 : x
2. Step 2: Convert to fraction form
   326,976/443,806.50 = 443,806.50/x
3. Step 3: Cross multiply
   326,976x = 443,806.50 × 443,806.50
4. Step 4: Simplify right side
   326,976x = 196,964,209,442.25
5. Step 5: Solve for x
   x = 196,964,209,442.25/326,976
6. Step 6: Final answer
   x = 602,381.24