Finding the Third Proportional to 326,676 and 504,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,676 : 504,715.50 = 504,715.50 : x
2. Step 2: Convert to fraction form
   326,676/504,715.50 = 504,715.50/x
3. Step 3: Cross multiply
   326,676x = 504,715.50 × 504,715.50
4. Step 4: Simplify right side
   326,676x = 254,737,735,940.25
5. Step 5: Solve for x
   x = 254,737,735,940.25/326,676
6. Step 6: Final answer
   x = 779,787.12