Finding the Third Proportional to 13,040 and 28,108

Step by Step Solution

1. Step 1: Write the proportion equation
   13,040 : 28,108 = 28,108 : x
2. Step 2: Convert to fraction form
   13,040/28,108 = 28,108/x
3. Step 3: Cross multiply
   13,040x = 28,108 × 28,108
4. Step 4: Simplify right side
   13,040x = 790,059,664
5. Step 5: Solve for x
   x = 790,059,664/13,040
6. Step 6: Final answer
   x = 60,587.40