Finding the Third Proportional to 13,410 and 19,956.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,410 : 19,956.38 = 19,956.38 : x
2. Step 2: Convert to fraction form
   13,410/19,956.38 = 19,956.38/x
3. Step 3: Cross multiply
   13,410x = 19,956.38 × 19,956.38
4. Step 4: Simplify right side
   13,410x = 398,256,903.14
5. Step 5: Solve for x
   x = 398,256,903.14/13,410
6. Step 6: Final answer
   x = 29,698.50