Finding the Third Proportional to 12,138.19 and 26,021.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,138.19 : 26,021.25 = 26,021.25 : x
2. Step 2: Convert to fraction form
   12,138.19/26,021.25 = 26,021.25/x
3. Step 3: Cross multiply
   12,138.19x = 26,021.25 × 26,021.25
4. Step 4: Simplify right side
   12,138.19x = 677,105,451.56
5. Step 5: Solve for x
   x = 677,105,451.56/12,138.19
6. Step 6: Final answer
   x = 55,783.08