Finding the Third Proportional to 131,314 and 288,044

Step by Step Solution

1. Step 1: Write the proportion equation
   131,314 : 288,044 = 288,044 : x
2. Step 2: Convert to fraction form
   131,314/288,044 = 288,044/x
3. Step 3: Cross multiply
   131,314x = 288,044 × 288,044
4. Step 4: Simplify right side
   131,314x = 82,969,345,936
5. Step 5: Solve for x
   x = 82,969,345,936/131,314
6. Step 6: Final answer
   x = 631,839.30