Finding the Third Proportional to 54,236 and 126,710

Step by Step Solution

1. Step 1: Write the proportion equation
   54,236 : 126,710 = 126,710 : x
2. Step 2: Convert to fraction form
   54,236/126,710 = 126,710/x
3. Step 3: Cross multiply
   54,236x = 126,710 × 126,710
4. Step 4: Simplify right side
   54,236x = 16,055,424,100
5. Step 5: Solve for x
   x = 16,055,424,100/54,236
6. Step 6: Final answer
   x = 296,028.91