Finding the Third Proportional to 12,138.47 and 27,101.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,138.47 : 27,101.81 = 27,101.81 : x
2. Step 2: Convert to fraction form
   12,138.47/27,101.81 = 27,101.81/x
3. Step 3: Cross multiply
   12,138.47x = 27,101.81 × 27,101.81
4. Step 4: Simplify right side
   12,138.47x = 734,508,240.79
5. Step 5: Solve for x
   x = 734,508,240.79/12,138.47
6. Step 6: Final answer
   x = 60,510.78