Finding the Third Proportional to 145,782 and 238,049

Step by Step Solution

1. Step 1: Write the proportion equation
   145,782 : 238,049 = 238,049 : x
2. Step 2: Convert to fraction form
   145,782/238,049 = 238,049/x
3. Step 3: Cross multiply
   145,782x = 238,049 × 238,049
4. Step 4: Simplify right side
   145,782x = 56,667,326,401
5. Step 5: Solve for x
   x = 56,667,326,401/145,782
6. Step 6: Final answer
   x = 388,712.78