Finding the Third Proportional to 51,960.50 and 111,643

Step by Step Solution

1. Step 1: Write the proportion equation
   51,960.50 : 111,643 = 111,643 : x
2. Step 2: Convert to fraction form
   51,960.50/111,643 = 111,643/x
3. Step 3: Cross multiply
   51,960.50x = 111,643 × 111,643
4. Step 4: Simplify right side
   51,960.50x = 12,464,159,449
5. Step 5: Solve for x
   x = 12,464,159,449/51,960.50
6. Step 6: Final answer
   x = 239,877.59