Finding the Third Proportional to 111,724 and 234,938

Step by Step Solution

1. Step 1: Write the proportion equation
   111,724 : 234,938 = 234,938 : x
2. Step 2: Convert to fraction form
   111,724/234,938 = 234,938/x
3. Step 3: Cross multiply
   111,724x = 234,938 × 234,938
4. Step 4: Simplify right side
   111,724x = 55,195,863,844
5. Step 5: Solve for x
   x = 55,195,863,844/111,724
6. Step 6: Final answer
   x = 494,037.66