Finding the Third Proportional to 54,193 and 72,487

Step by Step Solution

1. Step 1: Write the proportion equation
   54,193 : 72,487 = 72,487 : x
2. Step 2: Convert to fraction form
   54,193/72,487 = 72,487/x
3. Step 3: Cross multiply
   54,193x = 72,487 × 72,487
4. Step 4: Simplify right side
   54,193x = 5,254,365,169
5. Step 5: Solve for x
   x = 5,254,365,169/54,193
6. Step 6: Final answer
   x = 96,956.53