Finding the Third Proportional to 150,423.50 and 326,783

Step by Step Solution

1. Step 1: Write the proportion equation
   150,423.50 : 326,783 = 326,783 : x
2. Step 2: Convert to fraction form
   150,423.50/326,783 = 326,783/x
3. Step 3: Cross multiply
   150,423.50x = 326,783 × 326,783
4. Step 4: Simplify right side
   150,423.50x = 106,787,129,089
5. Step 5: Solve for x
   x = 106,787,129,089/150,423.50
6. Step 6: Final answer
   x = 709,909.88