Finding the Third Proportional to 54,840 and 113,986

Step by Step Solution

1. Step 1: Write the proportion equation
   54,840 : 113,986 = 113,986 : x
2. Step 2: Convert to fraction form
   54,840/113,986 = 113,986/x
3. Step 3: Cross multiply
   54,840x = 113,986 × 113,986
4. Step 4: Simplify right side
   54,840x = 12,992,808,196
5. Step 5: Solve for x
   x = 12,992,808,196/54,840
6. Step 6: Final answer
   x = 236,922.10