Finding the Third Proportional to 90,799.50 and 193,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,799.50 : 193,951.50 = 193,951.50 : x
2. Step 2: Convert to fraction form
   90,799.50/193,951.50 = 193,951.50/x
3. Step 3: Cross multiply
   90,799.50x = 193,951.50 × 193,951.50
4. Step 4: Simplify right side
   90,799.50x = 37,617,184,352.25
5. Step 5: Solve for x
   x = 37,617,184,352.25/90,799.50
6. Step 6: Final answer
   x = 414,288.45