Finding the Third Proportional to 242,640 and 525,024

Step by Step Solution

1. Step 1: Write the proportion equation
   242,640 : 525,024 = 525,024 : x
2. Step 2: Convert to fraction form
   242,640/525,024 = 525,024/x
3. Step 3: Cross multiply
   242,640x = 525,024 × 525,024
4. Step 4: Simplify right side
   242,640x = 275,650,200,576
5. Step 5: Solve for x
   x = 275,650,200,576/242,640
6. Step 6: Final answer
   x = 1,136,046.00