Finding the Third Proportional to 150,440.50 and 211,670

Step by Step Solution

1. Step 1: Write the proportion equation
   150,440.50 : 211,670 = 211,670 : x
2. Step 2: Convert to fraction form
   150,440.50/211,670 = 211,670/x
3. Step 3: Cross multiply
   150,440.50x = 211,670 × 211,670
4. Step 4: Simplify right side
   150,440.50x = 44,804,188,900
5. Step 5: Solve for x
   x = 44,804,188,900/150,440.50
6. Step 6: Final answer
   x = 297,819.99