Finding the Third Proportional to 27,872 and 60,880

Step by Step Solution

1. Step 1: Write the proportion equation
   27,872 : 60,880 = 60,880 : x
2. Step 2: Convert to fraction form
   27,872/60,880 = 60,880/x
3. Step 3: Cross multiply
   27,872x = 60,880 × 60,880
4. Step 4: Simplify right side
   27,872x = 3,706,374,400
5. Step 5: Solve for x
   x = 3,706,374,400/27,872
6. Step 6: Final answer
   x = 132,978.42