Finding the Third Proportional to 18,256.22 and 27,727.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,256.22 : 27,727.31 = 27,727.31 : x
2. Step 2: Convert to fraction form
   18,256.22/27,727.31 = 27,727.31/x
3. Step 3: Cross multiply
   18,256.22x = 27,727.31 × 27,727.31
4. Step 4: Simplify right side
   18,256.22x = 768,803,858.47
5. Step 5: Solve for x
   x = 768,803,858.47/18,256.22
6. Step 6: Final answer
   x = 42,111.89