Finding the Third Proportional to 13,277.38 and 20,559.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,277.38 : 20,559.39 = 20,559.39 : x
2. Step 2: Convert to fraction form
   13,277.38/20,559.39 = 20,559.39/x
3. Step 3: Cross multiply
   13,277.38x = 20,559.39 × 20,559.39
4. Step 4: Simplify right side
   13,277.38x = 422,688,453.78
5. Step 5: Solve for x
   x = 422,688,453.78/13,277.38
6. Step 6: Final answer
   x = 31,835.24