Finding the Third Proportional to 54,687 and 117,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,687 : 117,910.50 = 117,910.50 : x
2. Step 2: Convert to fraction form
   54,687/117,910.50 = 117,910.50/x
3. Step 3: Cross multiply
   54,687x = 117,910.50 × 117,910.50
4. Step 4: Simplify right side
   54,687x = 13,902,886,010.25
5. Step 5: Solve for x
   x = 13,902,886,010.25/54,687
6. Step 6: Final answer
   x = 254,226.53