Finding the Third Proportional to 116,888.50 and 255,647

Step by Step Solution

1. Step 1: Write the proportion equation
   116,888.50 : 255,647 = 255,647 : x
2. Step 2: Convert to fraction form
   116,888.50/255,647 = 255,647/x
3. Step 3: Cross multiply
   116,888.50x = 255,647 × 255,647
4. Step 4: Simplify right side
   116,888.50x = 65,355,388,609
5. Step 5: Solve for x
   x = 65,355,388,609/116,888.50
6. Step 6: Final answer
   x = 559,125.91