Finding the Third Proportional to 55,648 and 131,233

Step by Step Solution

1. Step 1: Write the proportion equation
   55,648 : 131,233 = 131,233 : x
2. Step 2: Convert to fraction form
   55,648/131,233 = 131,233/x
3. Step 3: Cross multiply
   55,648x = 131,233 × 131,233
4. Step 4: Simplify right side
   55,648x = 17,222,100,289
5. Step 5: Solve for x
   x = 17,222,100,289/55,648
6. Step 6: Final answer
   x = 309,482.83