Finding the Third Proportional to 116,436 and 250,680

Step by Step Solution

1. Step 1: Write the proportion equation
   116,436 : 250,680 = 250,680 : x
2. Step 2: Convert to fraction form
   116,436/250,680 = 250,680/x
3. Step 3: Cross multiply
   116,436x = 250,680 × 250,680
4. Step 4: Simplify right side
   116,436x = 62,840,462,400
5. Step 5: Solve for x
   x = 62,840,462,400/116,436
6. Step 6: Final answer
   x = 539,699.60