Finding the Third Proportional to 131,753 and 288,112

Step by Step Solution

1. Step 1: Write the proportion equation
   131,753 : 288,112 = 288,112 : x
2. Step 2: Convert to fraction form
   131,753/288,112 = 288,112/x
3. Step 3: Cross multiply
   131,753x = 288,112 × 288,112
4. Step 4: Simplify right side
   131,753x = 83,008,524,544
5. Step 5: Solve for x
   x = 83,008,524,544/131,753
6. Step 6: Final answer
   x = 630,031.38