Finding the Third Proportional to 132,108 and 287,544

Step by Step Solution

1. Step 1: Write the proportion equation
   132,108 : 287,544 = 287,544 : x
2. Step 2: Convert to fraction form
   132,108/287,544 = 287,544/x
3. Step 3: Cross multiply
   132,108x = 287,544 × 287,544
4. Step 4: Simplify right side
   132,108x = 82,681,551,936
5. Step 5: Solve for x
   x = 82,681,551,936/132,108
6. Step 6: Final answer
   x = 625,863.32