Finding the Third Proportional to 242,640 and 527,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   242,640 : 527,196.94 = 527,196.94 : x
2. Step 2: Convert to fraction form
   242,640/527,196.94 = 527,196.94/x
3. Step 3: Cross multiply
   242,640x = 527,196.94 × 527,196.94
4. Step 4: Simplify right side
   242,640x = 277,936,610,909.38
5. Step 5: Solve for x
   x = 277,936,610,909.38/242,640
6. Step 6: Final answer
   x = 1,145,469.05