Finding the Third Proportional to 12,198.09 and 26,629.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,198.09 : 26,629.59 = 26,629.59 : x
2. Step 2: Convert to fraction form
   12,198.09/26,629.59 = 26,629.59/x
3. Step 3: Cross multiply
   12,198.09x = 26,629.59 × 26,629.59
4. Step 4: Simplify right side
   12,198.09x = 709,135,263.29
5. Step 5: Solve for x
   x = 709,135,263.29/12,198.09
6. Step 6: Final answer
   x = 58,134.92