Finding the Third Proportional to 131,463 and 287,802

Step by Step Solution

1. Step 1: Write the proportion equation
   131,463 : 287,802 = 287,802 : x
2. Step 2: Convert to fraction form
   131,463/287,802 = 287,802/x
3. Step 3: Cross multiply
   131,463x = 287,802 × 287,802
4. Step 4: Simplify right side
   131,463x = 82,829,991,204
5. Step 5: Solve for x
   x = 82,829,991,204/131,463
6. Step 6: Final answer
   x = 630,063.14