Finding the Third Proportional to 70,115.25 and 150,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,115.25 : 150,067.50 = 150,067.50 : x
2. Step 2: Convert to fraction form
   70,115.25/150,067.50 = 150,067.50/x
3. Step 3: Cross multiply
   70,115.25x = 150,067.50 × 150,067.50
4. Step 4: Simplify right side
   70,115.25x = 22,520,254,556.25
5. Step 5: Solve for x
   x = 22,520,254,556.25/70,115.25
6. Step 6: Final answer
   x = 321,189.11