Finding the Third Proportional to 171,216.50 and 266,150.38

Step by Step Solution

1. Step 1: Write the proportion equation
   171,216.50 : 266,150.38 = 266,150.38 : x
2. Step 2: Convert to fraction form
   171,216.50/266,150.38 = 266,150.38/x
3. Step 3: Cross multiply
   171,216.50x = 266,150.38 × 266,150.38
4. Step 4: Simplify right side
   171,216.50x = 70,836,022,112.64
5. Step 5: Solve for x
   x = 70,836,022,112.64/171,216.50
6. Step 6: Final answer
   x = 413,721.94