Finding the Third Proportional to 105,432 and 158,580

Step by Step Solution

1. Step 1: Write the proportion equation
   105,432 : 158,580 = 158,580 : x
2. Step 2: Convert to fraction form
   105,432/158,580 = 158,580/x
3. Step 3: Cross multiply
   105,432x = 158,580 × 158,580
4. Step 4: Simplify right side
   105,432x = 25,147,616,400
5. Step 5: Solve for x
   x = 25,147,616,400/105,432
6. Step 6: Final answer
   x = 238,519.77