Finding the Third Proportional to 27,143.25 and 39,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,143.25 : 39,742.50 = 39,742.50 : x
2. Step 2: Convert to fraction form
   27,143.25/39,742.50 = 39,742.50/x
3. Step 3: Cross multiply
   27,143.25x = 39,742.50 × 39,742.50
4. Step 4: Simplify right side
   27,143.25x = 1,579,466,306.25
5. Step 5: Solve for x
   x = 1,579,466,306.25/27,143.25
6. Step 6: Final answer
   x = 58,190.02