Finding the Third Proportional to 18,403.45 and 27,743.77

Step by Step Solution

1. Step 1: Write the proportion equation
   18,403.45 : 27,743.77 = 27,743.77 : x
2. Step 2: Convert to fraction form
   18,403.45/27,743.77 = 27,743.77/x
3. Step 3: Cross multiply
   18,403.45x = 27,743.77 × 27,743.77
4. Step 4: Simplify right side
   18,403.45x = 769,716,531.05
5. Step 5: Solve for x
   x = 769,716,531.05/18,403.45
6. Step 6: Final answer
   x = 41,824.57