Finding the Third Proportional to 192,687 and 296,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,687 : 296,401.50 = 296,401.50 : x
2. Step 2: Convert to fraction form
   192,687/296,401.50 = 296,401.50/x
3. Step 3: Cross multiply
   192,687x = 296,401.50 × 296,401.50
4. Step 4: Simplify right side
   192,687x = 87,853,849,202.25
5. Step 5: Solve for x
   x = 87,853,849,202.25/192,687
6. Step 6: Final answer
   x = 455,940.72