Finding the Third Proportional to 18,911.81 and 27,480.94

Step by Step Solution

1. Step 1: Write the proportion equation
   18,911.81 : 27,480.94 = 27,480.94 : x
2. Step 2: Convert to fraction form
   18,911.81/27,480.94 = 27,480.94/x
3. Step 3: Cross multiply
   18,911.81x = 27,480.94 × 27,480.94
4. Step 4: Simplify right side
   18,911.81x = 755,201,925.88
5. Step 5: Solve for x
   x = 755,201,925.88/18,911.81
6. Step 6: Final answer
   x = 39,932.82