Finding the Third Proportional to 145,435.50 and 199,017

Step by Step Solution

1. Step 1: Write the proportion equation
   145,435.50 : 199,017 = 199,017 : x
2. Step 2: Convert to fraction form
   145,435.50/199,017 = 199,017/x
3. Step 3: Cross multiply
   145,435.50x = 199,017 × 199,017
4. Step 4: Simplify right side
   145,435.50x = 39,607,766,289
5. Step 5: Solve for x
   x = 39,607,766,289/145,435.50
6. Step 6: Final answer
   x = 272,339.05