Finding the Third Proportional to 16,434 and 35,979

Step by Step Solution

1. Step 1: Write the proportion equation
   16,434 : 35,979 = 35,979 : x
2. Step 2: Convert to fraction form
   16,434/35,979 = 35,979/x
3. Step 3: Cross multiply
   16,434x = 35,979 × 35,979
4. Step 4: Simplify right side
   16,434x = 1,294,488,441
5. Step 5: Solve for x
   x = 1,294,488,441/16,434
6. Step 6: Final answer
   x = 78,768.92