Finding the Third Proportional to 54,259 and 116,698

Step by Step Solution

1. Step 1: Write the proportion equation
   54,259 : 116,698 = 116,698 : x
2. Step 2: Convert to fraction form
   54,259/116,698 = 116,698/x
3. Step 3: Cross multiply
   54,259x = 116,698 × 116,698
4. Step 4: Simplify right side
   54,259x = 13,618,423,204
5. Step 5: Solve for x
   x = 13,618,423,204/54,259
6. Step 6: Final answer
   x = 250,989.20