Finding the Third Proportional to 192,790.50 and 288,051

Step by Step Solution

1. Step 1: Write the proportion equation
   192,790.50 : 288,051 = 288,051 : x
2. Step 2: Convert to fraction form
   192,790.50/288,051 = 288,051/x
3. Step 3: Cross multiply
   192,790.50x = 288,051 × 288,051
4. Step 4: Simplify right side
   192,790.50x = 82,973,378,601
5. Step 5: Solve for x
   x = 82,973,378,601/192,790.50
6. Step 6: Final answer
   x = 430,381.05