Finding the Third Proportional to 79,786.27 and 172,869.82

Step by Step Solution

1. Step 1: Write the proportion equation
   79,786.27 : 172,869.82 = 172,869.82 : x
2. Step 2: Convert to fraction form
   79,786.27/172,869.82 = 172,869.82/x
3. Step 3: Cross multiply
   79,786.27x = 172,869.82 × 172,869.82
4. Step 4: Simplify right side
   79,786.27x = 29,883,974,774.88
5. Step 5: Solve for x
   x = 29,883,974,774.88/79,786.27
6. Step 6: Final answer
   x = 374,550.36