Finding the Third Proportional to 13,215 and 23,635

Step by Step Solution

1. Step 1: Write the proportion equation
   13,215 : 23,635 = 23,635 : x
2. Step 2: Convert to fraction form
   13,215/23,635 = 23,635/x
3. Step 3: Cross multiply
   13,215x = 23,635 × 23,635
4. Step 4: Simplify right side
   13,215x = 558,613,225
5. Step 5: Solve for x
   x = 558,613,225/13,215
6. Step 6: Final answer
   x = 42,271.15