Finding the Third Proportional to 116,716 and 254,556

Step by Step Solution

1. Step 1: Write the proportion equation
   116,716 : 254,556 = 254,556 : x
2. Step 2: Convert to fraction form
   116,716/254,556 = 254,556/x
3. Step 3: Cross multiply
   116,716x = 254,556 × 254,556
4. Step 4: Simplify right side
   116,716x = 64,798,757,136
5. Step 5: Solve for x
   x = 64,798,757,136/116,716
6. Step 6: Final answer
   x = 555,183.16