Finding the Third Proportional to 10,388 and 13,502

Step by Step Solution

1. Step 1: Write the proportion equation
   10,388 : 13,502 = 13,502 : x
2. Step 2: Convert to fraction form
   10,388/13,502 = 13,502/x
3. Step 3: Cross multiply
   10,388x = 13,502 × 13,502
4. Step 4: Simplify right side
   10,388x = 182,304,004
5. Step 5: Solve for x
   x = 182,304,004/10,388
6. Step 6: Final answer
   x = 17,549.48