Finding the Third Proportional to 12,108.38 and 26,128.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,108.38 : 26,128.13 = 26,128.13 : x
2. Step 2: Convert to fraction form
   12,108.38/26,128.13 = 26,128.13/x
3. Step 3: Cross multiply
   12,108.38x = 26,128.13 × 26,128.13
4. Step 4: Simplify right side
   12,108.38x = 682,678,916.02
5. Step 5: Solve for x
   x = 682,678,916.02/12,108.38
6. Step 6: Final answer
   x = 56,380.72