Finding the Third Proportional to 79,850 and 173,878

Step by Step Solution

1. Step 1: Write the proportion equation
   79,850 : 173,878 = 173,878 : x
2. Step 2: Convert to fraction form
   79,850/173,878 = 173,878/x
3. Step 3: Cross multiply
   79,850x = 173,878 × 173,878
4. Step 4: Simplify right side
   79,850x = 30,233,558,884
5. Step 5: Solve for x
   x = 30,233,558,884/79,850
6. Step 6: Final answer
   x = 378,629.42