Finding the Third Proportional to 192,783 and 288,040.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,783 : 288,040.50 = 288,040.50 : x
2. Step 2: Convert to fraction form
   192,783/288,040.50 = 288,040.50/x
3. Step 3: Cross multiply
   192,783x = 288,040.50 × 288,040.50
4. Step 4: Simplify right side
   192,783x = 82,967,329,640.25
5. Step 5: Solve for x
   x = 82,967,329,640.25/192,783
6. Step 6: Final answer
   x = 430,366.42