Finding the Third Proportional to 113,436 and 158,580

Step by Step Solution

1. Step 1: Write the proportion equation
   113,436 : 158,580 = 158,580 : x
2. Step 2: Convert to fraction form
   113,436/158,580 = 158,580/x
3. Step 3: Cross multiply
   113,436x = 158,580 × 158,580
4. Step 4: Simplify right side
   113,436x = 25,147,616,400
5. Step 5: Solve for x
   x = 25,147,616,400/113,436
6. Step 6: Final answer
   x = 221,689.91