Finding the Third Proportional to 131,544 and 287,946

Step by Step Solution

1. Step 1: Write the proportion equation
   131,544 : 287,946 = 287,946 : x
2. Step 2: Convert to fraction form
   131,544/287,946 = 287,946/x
3. Step 3: Cross multiply
   131,544x = 287,946 × 287,946
4. Step 4: Simplify right side
   131,544x = 82,912,898,916
5. Step 5: Solve for x
   x = 82,912,898,916/131,544
6. Step 6: Final answer
   x = 630,305.44