Finding the Third Proportional to 16,827.19 and 26,128.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827.19 : 26,128.69 = 26,128.69 : x
2. Step 2: Convert to fraction form
   16,827.19/26,128.69 = 26,128.69/x
3. Step 3: Cross multiply
   16,827.19x = 26,128.69 × 26,128.69
4. Step 4: Simplify right side
   16,827.19x = 682,708,310.47
5. Step 5: Solve for x
   x = 682,708,310.47/16,827.19
6. Step 6: Final answer
   x = 40,571.74