Finding the Third Proportional to 79,227 and 172,116

Step by Step Solution

1. Step 1: Write the proportion equation
   79,227 : 172,116 = 172,116 : x
2. Step 2: Convert to fraction form
   79,227/172,116 = 172,116/x
3. Step 3: Cross multiply
   79,227x = 172,116 × 172,116
4. Step 4: Simplify right side
   79,227x = 29,623,917,456
5. Step 5: Solve for x
   x = 29,623,917,456/79,227
6. Step 6: Final answer
   x = 373,911.89