Finding the Third Proportional to 131,462 and 287,801

Step by Step Solution

1. Step 1: Write the proportion equation
   131,462 : 287,801 = 287,801 : x
2. Step 2: Convert to fraction form
   131,462/287,801 = 287,801/x
3. Step 3: Cross multiply
   131,462x = 287,801 × 287,801
4. Step 4: Simplify right side
   131,462x = 82,829,415,601
5. Step 5: Solve for x
   x = 82,829,415,601/131,462
6. Step 6: Final answer
   x = 630,063.56