Finding the Third Proportional to 79,929 and 162,099

Step by Step Solution

1. Step 1: Write the proportion equation
   79,929 : 162,099 = 162,099 : x
2. Step 2: Convert to fraction form
   79,929/162,099 = 162,099/x
3. Step 3: Cross multiply
   79,929x = 162,099 × 162,099
4. Step 4: Simplify right side
   79,929x = 26,276,085,801
5. Step 5: Solve for x
   x = 26,276,085,801/79,929
6. Step 6: Final answer
   x = 328,742.83