Finding the Third Proportional to 79,857 and 175,917

Step by Step Solution

1. Step 1: Write the proportion equation
   79,857 : 175,917 = 175,917 : x
2. Step 2: Convert to fraction form
   79,857/175,917 = 175,917/x
3. Step 3: Cross multiply
   79,857x = 175,917 × 175,917
4. Step 4: Simplify right side
   79,857x = 30,946,790,889
5. Step 5: Solve for x
   x = 30,946,790,889/79,857
6. Step 6: Final answer
   x = 387,527.59