Finding the Third Proportional to 16,984 and 34,418

Step by Step Solution

1. Step 1: Write the proportion equation
   16,984 : 34,418 = 34,418 : x
2. Step 2: Convert to fraction form
   16,984/34,418 = 34,418/x
3. Step 3: Cross multiply
   16,984x = 34,418 × 34,418
4. Step 4: Simplify right side
   16,984x = 1,184,598,724
5. Step 5: Solve for x
   x = 1,184,598,724/16,984
6. Step 6: Final answer
   x = 69,747.92