Finding the Third Proportional to 54,388.50 and 118,740

Step by Step Solution

1. Step 1: Write the proportion equation
   54,388.50 : 118,740 = 118,740 : x
2. Step 2: Convert to fraction form
   54,388.50/118,740 = 118,740/x
3. Step 3: Cross multiply
   54,388.50x = 118,740 × 118,740
4. Step 4: Simplify right side
   54,388.50x = 14,099,187,600
5. Step 5: Solve for x
   x = 14,099,187,600/54,388.50
6. Step 6: Final answer
   x = 259,231.04