Finding the Third Proportional to 81,108 and 173,682

Step by Step Solution

1. Step 1: Write the proportion equation
   81,108 : 173,682 = 173,682 : x
2. Step 2: Convert to fraction form
   81,108/173,682 = 173,682/x
3. Step 3: Cross multiply
   81,108x = 173,682 × 173,682
4. Step 4: Simplify right side
   81,108x = 30,165,437,124
5. Step 5: Solve for x
   x = 30,165,437,124/81,108
6. Step 6: Final answer
   x = 371,916.91