Finding the Third Proportional to 13,402.13 and 19,944.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,402.13 : 19,944.56 = 19,944.56 : x
2. Step 2: Convert to fraction form
   13,402.13/19,944.56 = 19,944.56/x
3. Step 3: Cross multiply
   13,402.13x = 19,944.56 × 19,944.56
4. Step 4: Simplify right side
   13,402.13x = 397,785,573.32
5. Step 5: Solve for x
   x = 397,785,573.32/13,402.13
6. Step 6: Final answer
   x = 29,680.78