Finding the Third Proportional to 13,177 and 28,540

Step by Step Solution

1. Step 1: Write the proportion equation
   13,177 : 28,540 = 28,540 : x
2. Step 2: Convert to fraction form
   13,177/28,540 = 28,540/x
3. Step 3: Cross multiply
   13,177x = 28,540 × 28,540
4. Step 4: Simplify right side
   13,177x = 814,531,600
5. Step 5: Solve for x
   x = 814,531,600/13,177
6. Step 6: Final answer
   x = 61,814.65