Finding the Third Proportional to 326,121.75 and 700,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,121.75 : 700,456.50 = 700,456.50 : x
2. Step 2: Convert to fraction form
   326,121.75/700,456.50 = 700,456.50/x
3. Step 3: Cross multiply
   326,121.75x = 700,456.50 × 700,456.50
4. Step 4: Simplify right side
   326,121.75x = 490,639,308,392.25
5. Step 5: Solve for x
   x = 490,639,308,392.25/326,121.75
6. Step 6: Final answer
   x = 1,504,466.69