Finding the Third Proportional to 88,939.50 and 192,642

Step by Step Solution

1. Step 1: Write the proportion equation
   88,939.50 : 192,642 = 192,642 : x
2. Step 2: Convert to fraction form
   88,939.50/192,642 = 192,642/x
3. Step 3: Cross multiply
   88,939.50x = 192,642 × 192,642
4. Step 4: Simplify right side
   88,939.50x = 37,110,940,164
5. Step 5: Solve for x
   x = 37,110,940,164/88,939.50
6. Step 6: Final answer
   x = 417,260.50