Finding the Third Proportional to 7,892 and 17,431

Step by Step Solution

1. Step 1: Write the proportion equation
   7,892 : 17,431 = 17,431 : x
2. Step 2: Convert to fraction form
   7,892/17,431 = 17,431/x
3. Step 3: Cross multiply
   7,892x = 17,431 × 17,431
4. Step 4: Simplify right side
   7,892x = 303,839,761
5. Step 5: Solve for x
   x = 303,839,761/7,892
6. Step 6: Final answer
   x = 38,499.72