Finding the Third Proportional to 173,623.50 and 260,898

Step by Step Solution

1. Step 1: Write the proportion equation
   173,623.50 : 260,898 = 260,898 : x
2. Step 2: Convert to fraction form
   173,623.50/260,898 = 260,898/x
3. Step 3: Cross multiply
   173,623.50x = 260,898 × 260,898
4. Step 4: Simplify right side
   173,623.50x = 68,067,766,404
5. Step 5: Solve for x
   x = 68,067,766,404/173,623.50
6. Step 6: Final answer
   x = 392,042.36