Finding the Third Proportional to 111,916 and 242,757

Step by Step Solution

1. Step 1: Write the proportion equation
   111,916 : 242,757 = 242,757 : x
2. Step 2: Convert to fraction form
   111,916/242,757 = 242,757/x
3. Step 3: Cross multiply
   111,916x = 242,757 × 242,757
4. Step 4: Simplify right side
   111,916x = 58,930,961,049
5. Step 5: Solve for x
   x = 58,930,961,049/111,916
6. Step 6: Final answer
   x = 526,564.22