Finding the Third Proportional to 16,988 and 34,434

Step by Step Solution

1. Step 1: Write the proportion equation
   16,988 : 34,434 = 34,434 : x
2. Step 2: Convert to fraction form
   16,988/34,434 = 34,434/x
3. Step 3: Cross multiply
   16,988x = 34,434 × 34,434
4. Step 4: Simplify right side
   16,988x = 1,185,700,356
5. Step 5: Solve for x
   x = 1,185,700,356/16,988
6. Step 6: Final answer
   x = 69,796.35