Finding the Third Proportional to 215,871 and 301,950

Step by Step Solution

1. Step 1: Write the proportion equation
   215,871 : 301,950 = 301,950 : x
2. Step 2: Convert to fraction form
   215,871/301,950 = 301,950/x
3. Step 3: Cross multiply
   215,871x = 301,950 × 301,950
4. Step 4: Simplify right side
   215,871x = 91,173,802,500
5. Step 5: Solve for x
   x = 91,173,802,500/215,871
6. Step 6: Final answer
   x = 422,353.18