Finding the Third Proportional to 57,145.50 and 122,796

Step by Step Solution

1. Step 1: Write the proportion equation
   57,145.50 : 122,796 = 122,796 : x
2. Step 2: Convert to fraction form
   57,145.50/122,796 = 122,796/x
3. Step 3: Cross multiply
   57,145.50x = 122,796 × 122,796
4. Step 4: Simplify right side
   57,145.50x = 15,078,857,616
5. Step 5: Solve for x
   x = 15,078,857,616/57,145.50
6. Step 6: Final answer
   x = 263,867.80