Finding the Third Proportional to 27,215.50 and 39,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,215.50 : 39,891.50 = 39,891.50 : x
2. Step 2: Convert to fraction form
   27,215.50/39,891.50 = 39,891.50/x
3. Step 3: Cross multiply
   27,215.50x = 39,891.50 × 39,891.50
4. Step 4: Simplify right side
   27,215.50x = 1,591,331,772.25
5. Step 5: Solve for x
   x = 1,591,331,772.25/27,215.50
6. Step 6: Final answer
   x = 58,471.52