Finding the Third Proportional to 132,388.50 and 288,073

Step by Step Solution

1. Step 1: Write the proportion equation
   132,388.50 : 288,073 = 288,073 : x
2. Step 2: Convert to fraction form
   132,388.50/288,073 = 288,073/x
3. Step 3: Cross multiply
   132,388.50x = 288,073 × 288,073
4. Step 4: Simplify right side
   132,388.50x = 82,986,053,329
5. Step 5: Solve for x
   x = 82,986,053,329/132,388.50
6. Step 6: Final answer
   x = 626,837.33