Finding the Third Proportional to 12,979.41 and 20,334.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,979.41 : 20,334.09 = 20,334.09 : x
2. Step 2: Convert to fraction form
   12,979.41/20,334.09 = 20,334.09/x
3. Step 3: Cross multiply
   12,979.41x = 20,334.09 × 20,334.09
4. Step 4: Simplify right side
   12,979.41x = 413,475,368.63
5. Step 5: Solve for x
   x = 413,475,368.63/12,979.41
6. Step 6: Final answer
   x = 31,856.26