Finding the Third Proportional to 54,087 and 118,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,087 : 118,353.50 = 118,353.50 : x
2. Step 2: Convert to fraction form
   54,087/118,353.50 = 118,353.50/x
3. Step 3: Cross multiply
   54,087x = 118,353.50 × 118,353.50
4. Step 4: Simplify right side
   54,087x = 14,007,550,962.25
5. Step 5: Solve for x
   x = 14,007,550,962.25/54,087
6. Step 6: Final answer
   x = 258,981.84