Finding the Third Proportional to 54,131.50 and 118,100

Step by Step Solution

1. Step 1: Write the proportion equation
   54,131.50 : 118,100 = 118,100 : x
2. Step 2: Convert to fraction form
   54,131.50/118,100 = 118,100/x
3. Step 3: Cross multiply
   54,131.50x = 118,100 × 118,100
4. Step 4: Simplify right side
   54,131.50x = 13,947,610,000
5. Step 5: Solve for x
   x = 13,947,610,000/54,131.50
6. Step 6: Final answer
   x = 257,661.62