Finding the Third Proportional to 13,494.09 and 20,427.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,494.09 : 20,427.19 = 20,427.19 : x
2. Step 2: Convert to fraction form
   13,494.09/20,427.19 = 20,427.19/x
3. Step 3: Cross multiply
   13,494.09x = 20,427.19 × 20,427.19
4. Step 4: Simplify right side
   13,494.09x = 417,269,989.16
5. Step 5: Solve for x
   x = 417,269,989.16/13,494.09
6. Step 6: Final answer
   x = 30,922.42