Finding the Third Proportional to 79,917 and 175,386

Step by Step Solution

1. Step 1: Write the proportion equation
   79,917 : 175,386 = 175,386 : x
2. Step 2: Convert to fraction form
   79,917/175,386 = 175,386/x
3. Step 3: Cross multiply
   79,917x = 175,386 × 175,386
4. Step 4: Simplify right side
   79,917x = 30,760,248,996
5. Step 5: Solve for x
   x = 30,760,248,996/79,917
6. Step 6: Final answer
   x = 384,902.45