Finding the Third Proportional to 155,190 and 247,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,190 : 247,951.50 = 247,951.50 : x
2. Step 2: Convert to fraction form
   155,190/247,951.50 = 247,951.50/x
3. Step 3: Cross multiply
   155,190x = 247,951.50 × 247,951.50
4. Step 4: Simplify right side
   155,190x = 61,479,946,352.25
5. Step 5: Solve for x
   x = 61,479,946,352.25/155,190
6. Step 6: Final answer
   x = 396,159.20