Finding the Third Proportional to 54,448.50 and 117,240

Step by Step Solution

1. Step 1: Write the proportion equation
   54,448.50 : 117,240 = 117,240 : x
2. Step 2: Convert to fraction form
   54,448.50/117,240 = 117,240/x
3. Step 3: Cross multiply
   54,448.50x = 117,240 × 117,240
4. Step 4: Simplify right side
   54,448.50x = 13,745,217,600
5. Step 5: Solve for x
   x = 13,745,217,600/54,448.50
6. Step 6: Final answer
   x = 252,444.38