Finding the Third Proportional to 79,474.50 and 173,711.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,474.50 : 173,711.25 = 173,711.25 : x
2. Step 2: Convert to fraction form
   79,474.50/173,711.25 = 173,711.25/x
3. Step 3: Cross multiply
   79,474.50x = 173,711.25 × 173,711.25
4. Step 4: Simplify right side
   79,474.50x = 30,175,598,376.56
5. Step 5: Solve for x
   x = 30,175,598,376.56/79,474.50
6. Step 6: Final answer
   x = 379,689.06