Finding the Third Proportional to 16,928 and 34,930

Step by Step Solution

1. Step 1: Write the proportion equation
   16,928 : 34,930 = 34,930 : x
2. Step 2: Convert to fraction form
   16,928/34,930 = 34,930/x
3. Step 3: Cross multiply
   16,928x = 34,930 × 34,930
4. Step 4: Simplify right side
   16,928x = 1,220,104,900
5. Step 5: Solve for x
   x = 1,220,104,900/16,928
6. Step 6: Final answer
   x = 72,076.14