Finding the Third Proportional to 12,958.50 and 27,960

Step by Step Solution

1. Step 1: Write the proportion equation
   12,958.50 : 27,960 = 27,960 : x
2. Step 2: Convert to fraction form
   12,958.50/27,960 = 27,960/x
3. Step 3: Cross multiply
   12,958.50x = 27,960 × 27,960
4. Step 4: Simplify right side
   12,958.50x = 781,761,600
5. Step 5: Solve for x
   x = 781,761,600/12,958.50
6. Step 6: Final answer
   x = 60,328.09