Finding the Third Proportional to 18,277.88 and 27,906.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,277.88 : 27,906.75 = 27,906.75 : x
2. Step 2: Convert to fraction form
   18,277.88/27,906.75 = 27,906.75/x
3. Step 3: Cross multiply
   18,277.88x = 27,906.75 × 27,906.75
4. Step 4: Simplify right side
   18,277.88x = 778,786,695.56
5. Step 5: Solve for x
   x = 778,786,695.56/18,277.88
6. Step 6: Final answer
   x = 42,608.16