Finding the Third Proportional to 131,620 and 192,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,620 : 192,493.50 = 192,493.50 : x
2. Step 2: Convert to fraction form
   131,620/192,493.50 = 192,493.50/x
3. Step 3: Cross multiply
   131,620x = 192,493.50 × 192,493.50
4. Step 4: Simplify right side
   131,620x = 37,053,747,542.25
5. Step 5: Solve for x
   x = 37,053,747,542.25/131,620
6. Step 6: Final answer
   x = 281,520.65