Finding the Third Proportional to 132,706.50 and 288,741

Step by Step Solution

1. Step 1: Write the proportion equation
   132,706.50 : 288,741 = 288,741 : x
2. Step 2: Convert to fraction form
   132,706.50/288,741 = 288,741/x
3. Step 3: Cross multiply
   132,706.50x = 288,741 × 288,741
4. Step 4: Simplify right side
   132,706.50x = 83,371,365,081
5. Step 5: Solve for x
   x = 83,371,365,081/132,706.50
6. Step 6: Final answer
   x = 628,238.75