Finding the Third Proportional to 18,186.19 and 27,298.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,186.19 : 27,298.69 = 27,298.69 : x
2. Step 2: Convert to fraction form
   18,186.19/27,298.69 = 27,298.69/x
3. Step 3: Cross multiply
   18,186.19x = 27,298.69 × 27,298.69
4. Step 4: Simplify right side
   18,186.19x = 745,218,339.22
5. Step 5: Solve for x
   x = 745,218,339.22/18,186.19
6. Step 6: Final answer
   x = 40,977.16