Finding the Third Proportional to 140,996 and 215,958

Step by Step Solution

1. Step 1: Write the proportion equation
   140,996 : 215,958 = 215,958 : x
2. Step 2: Convert to fraction form
   140,996/215,958 = 215,958/x
3. Step 3: Cross multiply
   140,996x = 215,958 × 215,958
4. Step 4: Simplify right side
   140,996x = 46,637,857,764
5. Step 5: Solve for x
   x = 46,637,857,764/140,996
6. Step 6: Final answer
   x = 330,774.33