Finding the Third Proportional to 79,659 and 173,810.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,659 : 173,810.25 = 173,810.25 : x
2. Step 2: Convert to fraction form
   79,659/173,810.25 = 173,810.25/x
3. Step 3: Cross multiply
   79,659x = 173,810.25 × 173,810.25
4. Step 4: Simplify right side
   79,659x = 30,210,003,005.06
5. Step 5: Solve for x
   x = 30,210,003,005.06/79,659
6. Step 6: Final answer
   x = 379,241.55