Finding the Third Proportional to 79,989 and 175,042

Step by Step Solution

1. Step 1: Write the proportion equation
   79,989 : 175,042 = 175,042 : x
2. Step 2: Convert to fraction form
   79,989/175,042 = 175,042/x
3. Step 3: Cross multiply
   79,989x = 175,042 × 175,042
4. Step 4: Simplify right side
   79,989x = 30,639,701,764
5. Step 5: Solve for x
   x = 30,639,701,764/79,989
6. Step 6: Final answer
   x = 383,048.94