Finding the Third Proportional to 132,109 and 287,546

Step by Step Solution

1. Step 1: Write the proportion equation
   132,109 : 287,546 = 287,546 : x
2. Step 2: Convert to fraction form
   132,109/287,546 = 287,546/x
3. Step 3: Cross multiply
   132,109x = 287,546 × 287,546
4. Step 4: Simplify right side
   132,109x = 82,682,702,116
5. Step 5: Solve for x
   x = 82,682,702,116/132,109
6. Step 6: Final answer
   x = 625,867.29