Finding the Third Proportional to 8,413 and 13,064

Step by Step Solution

1. Step 1: Write the proportion equation
   8,413 : 13,064 = 13,064 : x
2. Step 2: Convert to fraction form
   8,413/13,064 = 13,064/x
3. Step 3: Cross multiply
   8,413x = 13,064 × 13,064
4. Step 4: Simplify right side
   8,413x = 170,668,096
5. Step 5: Solve for x
   x = 170,668,096/8,413
6. Step 6: Final answer
   x = 20,286.24