Finding the Third Proportional to 79,012 and 175,520

Step by Step Solution

1. Step 1: Write the proportion equation
   79,012 : 175,520 = 175,520 : x
2. Step 2: Convert to fraction form
   79,012/175,520 = 175,520/x
3. Step 3: Cross multiply
   79,012x = 175,520 × 175,520
4. Step 4: Simplify right side
   79,012x = 30,807,270,400
5. Step 5: Solve for x
   x = 30,807,270,400/79,012
6. Step 6: Final answer
   x = 389,906.22