Finding the Third Proportional to 132,336 and 287,998

Step by Step Solution

1. Step 1: Write the proportion equation
   132,336 : 287,998 = 287,998 : x
2. Step 2: Convert to fraction form
   132,336/287,998 = 287,998/x
3. Step 3: Cross multiply
   132,336x = 287,998 × 287,998
4. Step 4: Simplify right side
   132,336x = 82,942,848,004
5. Step 5: Solve for x
   x = 82,942,848,004/132,336
6. Step 6: Final answer
   x = 626,759.52