Finding the Third Proportional to 150,436.50 and 326,808

Step by Step Solution

1. Step 1: Write the proportion equation
   150,436.50 : 326,808 = 326,808 : x
2. Step 2: Convert to fraction form
   150,436.50/326,808 = 326,808/x
3. Step 3: Cross multiply
   150,436.50x = 326,808 × 326,808
4. Step 4: Simplify right side
   150,436.50x = 106,803,468,864
5. Step 5: Solve for x
   x = 106,803,468,864/150,436.50
6. Step 6: Final answer
   x = 709,957.15