Finding the Third Proportional to 15,916 and 34,020

Step by Step Solution

1. Step 1: Write the proportion equation
   15,916 : 34,020 = 34,020 : x
2. Step 2: Convert to fraction form
   15,916/34,020 = 34,020/x
3. Step 3: Cross multiply
   15,916x = 34,020 × 34,020
4. Step 4: Simplify right side
   15,916x = 1,157,360,400
5. Step 5: Solve for x
   x = 1,157,360,400/15,916
6. Step 6: Final answer
   x = 72,716.79