Finding the Third Proportional to 79,951 and 172,003

Step by Step Solution

1. Step 1: Write the proportion equation
   79,951 : 172,003 = 172,003 : x
2. Step 2: Convert to fraction form
   79,951/172,003 = 172,003/x
3. Step 3: Cross multiply
   79,951x = 172,003 × 172,003
4. Step 4: Simplify right side
   79,951x = 29,585,032,009
5. Step 5: Solve for x
   x = 29,585,032,009/79,951
6. Step 6: Final answer
   x = 370,039.55