Finding the Third Proportional to 79,196.50 and 172,334.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,196.50 : 172,334.75 = 172,334.75 : x
2. Step 2: Convert to fraction form
   79,196.50/172,334.75 = 172,334.75/x
3. Step 3: Cross multiply
   79,196.50x = 172,334.75 × 172,334.75
4. Step 4: Simplify right side
   79,196.50x = 29,699,266,057.56
5. Step 5: Solve for x
   x = 29,699,266,057.56/79,196.50
6. Step 6: Final answer
   x = 375,007.31