Finding the Third Proportional to 79,100 and 171,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,100 : 171,879.50 = 171,879.50 : x
2. Step 2: Convert to fraction form
   79,100/171,879.50 = 171,879.50/x
3. Step 3: Cross multiply
   79,100x = 171,879.50 × 171,879.50
4. Step 4: Simplify right side
   79,100x = 29,542,562,520.25
5. Step 5: Solve for x
   x = 29,542,562,520.25/79,100
6. Step 6: Final answer
   x = 373,483.72