Finding the Third Proportional to 47,286 and 100,890

Step by Step Solution

1. Step 1: Write the proportion equation
   47,286 : 100,890 = 100,890 : x
2. Step 2: Convert to fraction form
   47,286/100,890 = 100,890/x
3. Step 3: Cross multiply
   47,286x = 100,890 × 100,890
4. Step 4: Simplify right side
   47,286x = 10,178,792,100
5. Step 5: Solve for x
   x = 10,178,792,100/47,286
6. Step 6: Final answer
   x = 215,260.16