Finding the Third Proportional to 132,096 and 287,520

Step by Step Solution

1. Step 1: Write the proportion equation
   132,096 : 287,520 = 287,520 : x
2. Step 2: Convert to fraction form
   132,096/287,520 = 287,520/x
3. Step 3: Cross multiply
   132,096x = 287,520 × 287,520
4. Step 4: Simplify right side
   132,096x = 82,667,750,400
5. Step 5: Solve for x
   x = 82,667,750,400/132,096
6. Step 6: Final answer
   x = 625,815.70