Finding the Third Proportional to 12,115.50 and 26,141.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,115.50 : 26,141.25 = 26,141.25 : x
2. Step 2: Convert to fraction form
   12,115.50/26,141.25 = 26,141.25/x
3. Step 3: Cross multiply
   12,115.50x = 26,141.25 × 26,141.25
4. Step 4: Simplify right side
   12,115.50x = 683,364,951.56
5. Step 5: Solve for x
   x = 683,364,951.56/12,115.50
6. Step 6: Final answer
   x = 56,404.19