Finding the Third Proportional to 54,769.50 and 115,857

Step by Step Solution

1. Step 1: Write the proportion equation
   54,769.50 : 115,857 = 115,857 : x
2. Step 2: Convert to fraction form
   54,769.50/115,857 = 115,857/x
3. Step 3: Cross multiply
   54,769.50x = 115,857 × 115,857
4. Step 4: Simplify right side
   54,769.50x = 13,422,844,449
5. Step 5: Solve for x
   x = 13,422,844,449/54,769.50
6. Step 6: Final answer
   x = 245,078.82