Finding the Third Proportional to 116,834 and 255,290

Step by Step Solution

1. Step 1: Write the proportion equation
   116,834 : 255,290 = 255,290 : x
2. Step 2: Convert to fraction form
   116,834/255,290 = 255,290/x
3. Step 3: Cross multiply
   116,834x = 255,290 × 255,290
4. Step 4: Simplify right side
   116,834x = 65,172,984,100
5. Step 5: Solve for x
   x = 65,172,984,100/116,834
6. Step 6: Final answer
   x = 557,825.50