Finding the Third Proportional to 13,080 and 30,874

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080 : 30,874 = 30,874 : x
2. Step 2: Convert to fraction form
   13,080/30,874 = 30,874/x
3. Step 3: Cross multiply
   13,080x = 30,874 × 30,874
4. Step 4: Simplify right side
   13,080x = 953,203,876
5. Step 5: Solve for x
   x = 953,203,876/13,080
6. Step 6: Final answer
   x = 72,874.91