Finding the Third Proportional to 113,648 and 242,944

Step by Step Solution

1. Step 1: Write the proportion equation
   113,648 : 242,944 = 242,944 : x
2. Step 2: Convert to fraction form
   113,648/242,944 = 242,944/x
3. Step 3: Cross multiply
   113,648x = 242,944 × 242,944
4. Step 4: Simplify right side
   113,648x = 59,021,787,136
5. Step 5: Solve for x
   x = 59,021,787,136/113,648
6. Step 6: Final answer
   x = 519,338.55