Finding the Third Proportional to 55,649 and 131,234

Step by Step Solution

1. Step 1: Write the proportion equation
   55,649 : 131,234 = 131,234 : x
2. Step 2: Convert to fraction form
   55,649/131,234 = 131,234/x
3. Step 3: Cross multiply
   55,649x = 131,234 × 131,234
4. Step 4: Simplify right side
   55,649x = 17,222,362,756
5. Step 5: Solve for x
   x = 17,222,362,756/55,649
6. Step 6: Final answer
   x = 309,481.98