Finding the Third Proportional to 81,287 and 173,846

Step by Step Solution

1. Step 1: Write the proportion equation
   81,287 : 173,846 = 173,846 : x
2. Step 2: Convert to fraction form
   81,287/173,846 = 173,846/x
3. Step 3: Cross multiply
   81,287x = 173,846 × 173,846
4. Step 4: Simplify right side
   81,287x = 30,222,431,716
5. Step 5: Solve for x
   x = 30,222,431,716/81,287
6. Step 6: Final answer
   x = 371,799.08