Finding the Third Proportional to 51,518 and 111,136

Step by Step Solution

1. Step 1: Write the proportion equation
   51,518 : 111,136 = 111,136 : x
2. Step 2: Convert to fraction form
   51,518/111,136 = 111,136/x
3. Step 3: Cross multiply
   51,518x = 111,136 × 111,136
4. Step 4: Simplify right side
   51,518x = 12,351,210,496
5. Step 5: Solve for x
   x = 12,351,210,496/51,518
6. Step 6: Final answer
   x = 239,745.54