Finding the Third Proportional to 72,866 and 171,941

Step by Step Solution

1. Step 1: Write the proportion equation
   72,866 : 171,941 = 171,941 : x
2. Step 2: Convert to fraction form
   72,866/171,941 = 171,941/x
3. Step 3: Cross multiply
   72,866x = 171,941 × 171,941
4. Step 4: Simplify right side
   72,866x = 29,563,707,481
5. Step 5: Solve for x
   x = 29,563,707,481/72,866
6. Step 6: Final answer
   x = 405,727.05