Finding the Third Proportional to 79,974.50 and 175,015

Step by Step Solution

1. Step 1: Write the proportion equation
   79,974.50 : 175,015 = 175,015 : x
2. Step 2: Convert to fraction form
   79,974.50/175,015 = 175,015/x
3. Step 3: Cross multiply
   79,974.50x = 175,015 × 175,015
4. Step 4: Simplify right side
   79,974.50x = 30,630,250,225
5. Step 5: Solve for x
   x = 30,630,250,225/79,974.50
6. Step 6: Final answer
   x = 383,000.21