Finding the Third Proportional to 30,205.50 and 71,067.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,205.50 : 71,067.75 = 71,067.75 : x
2. Step 2: Convert to fraction form
   30,205.50/71,067.75 = 71,067.75/x
3. Step 3: Cross multiply
   30,205.50x = 71,067.75 × 71,067.75
4. Step 4: Simplify right side
   30,205.50x = 5,050,625,090.06
5. Step 5: Solve for x
   x = 5,050,625,090.06/30,205.50
6. Step 6: Final answer
   x = 167,208.79