Finding the Third Proportional to 79,738.50 and 173,486.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,738.50 : 173,486.25 = 173,486.25 : x
2. Step 2: Convert to fraction form
   79,738.50/173,486.25 = 173,486.25/x
3. Step 3: Cross multiply
   79,738.50x = 173,486.25 × 173,486.25
4. Step 4: Simplify right side
   79,738.50x = 30,097,478,939.06
5. Step 5: Solve for x
   x = 30,097,478,939.06/79,738.50
6. Step 6: Final answer
   x = 377,452.28