Finding the Third Proportional to 79,152.75 and 173,315.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,152.75 : 173,315.25 = 173,315.25 : x
2. Step 2: Convert to fraction form
   79,152.75/173,315.25 = 173,315.25/x
3. Step 3: Cross multiply
   79,152.75x = 173,315.25 × 173,315.25
4. Step 4: Simplify right side
   79,152.75x = 30,038,175,882.56
5. Step 5: Solve for x
   x = 30,038,175,882.56/79,152.75
6. Step 6: Final answer
   x = 379,496.30