Finding the Third Proportional to 192,404.50 and 289,760.88

Step by Step Solution

1. Step 1: Write the proportion equation
   192,404.50 : 289,760.88 = 289,760.88 : x
2. Step 2: Convert to fraction form
   192,404.50/289,760.88 = 289,760.88/x
3. Step 3: Cross multiply
   192,404.50x = 289,760.88 × 289,760.88
4. Step 4: Simplify right side
   192,404.50x = 83,961,364,680.77
5. Step 5: Solve for x
   x = 83,961,364,680.77/192,404.50
6. Step 6: Final answer
   x = 436,379.42