Finding the Third Proportional to 150,217.50 and 326,112

Step by Step Solution

1. Step 1: Write the proportion equation
   150,217.50 : 326,112 = 326,112 : x
2. Step 2: Convert to fraction form
   150,217.50/326,112 = 326,112/x
3. Step 3: Cross multiply
   150,217.50x = 326,112 × 326,112
4. Step 4: Simplify right side
   150,217.50x = 106,349,036,544
5. Step 5: Solve for x
   x = 106,349,036,544/150,217.50
6. Step 6: Final answer
   x = 707,967.02