Finding the Third Proportional to 18,118.69 and 40,105.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,118.69 : 40,105.13 = 40,105.13 : x
2. Step 2: Convert to fraction form
   18,118.69/40,105.13 = 40,105.13/x
3. Step 3: Cross multiply
   18,118.69x = 40,105.13 × 40,105.13
4. Step 4: Simplify right side
   18,118.69x = 1,608,421,051.27
5. Step 5: Solve for x
   x = 1,608,421,051.27/18,118.69
6. Step 6: Final answer
   x = 88,771.39