Finding the Third Proportional to 12,013.55 and 17,921.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,013.55 : 17,921.01 = 17,921.01 : x
2. Step 2: Convert to fraction form
   12,013.55/17,921.01 = 17,921.01/x
3. Step 3: Cross multiply
   12,013.55x = 17,921.01 × 17,921.01
4. Step 4: Simplify right side
   12,013.55x = 321,162,696.03
5. Step 5: Solve for x
   x = 321,162,696.03/12,013.55
6. Step 6: Final answer
   x = 26,733.37