Finding the Third Proportional to 12,734.72 and 27,212.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,734.72 : 27,212.20 = 27,212.20 : x
2. Step 2: Convert to fraction form
   12,734.72/27,212.20 = 27,212.20/x
3. Step 3: Cross multiply
   12,734.72x = 27,212.20 × 27,212.20
4. Step 4: Simplify right side
   12,734.72x = 740,503,998.92
5. Step 5: Solve for x
   x = 740,503,998.92/12,734.72
6. Step 6: Final answer
   x = 58,148.44