Finding the Third Proportional to 132,096 and 287,760

Step by Step Solution

1. Step 1: Write the proportion equation
   132,096 : 287,760 = 287,760 : x
2. Step 2: Convert to fraction form
   132,096/287,760 = 287,760/x
3. Step 3: Cross multiply
   132,096x = 287,760 × 287,760
4. Step 4: Simplify right side
   132,096x = 82,805,817,600
5. Step 5: Solve for x
   x = 82,805,817,600/132,096
6. Step 6: Final answer
   x = 626,860.90