Finding the Third Proportional to 13,556 and 20,254

Step by Step Solution

1. Step 1: Write the proportion equation
   13,556 : 20,254 = 20,254 : x
2. Step 2: Convert to fraction form
   13,556/20,254 = 20,254/x
3. Step 3: Cross multiply
   13,556x = 20,254 × 20,254
4. Step 4: Simplify right side
   13,556x = 410,224,516
5. Step 5: Solve for x
   x = 410,224,516/13,556
6. Step 6: Final answer
   x = 30,261.47