Finding the Third Proportional to 12,117.94 and 18,290.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,117.94 : 18,290.81 = 18,290.81 : x
2. Step 2: Convert to fraction form
   12,117.94/18,290.81 = 18,290.81/x
3. Step 3: Cross multiply
   12,117.94x = 18,290.81 × 18,290.81
4. Step 4: Simplify right side
   12,117.94x = 334,553,821.91
5. Step 5: Solve for x
   x = 334,553,821.91/12,117.94
6. Step 6: Final answer
   x = 27,608.15