Finding the Third Proportional to 54,890 and 111,724

Step by Step Solution

1. Step 1: Write the proportion equation
   54,890 : 111,724 = 111,724 : x
2. Step 2: Convert to fraction form
   54,890/111,724 = 111,724/x
3. Step 3: Cross multiply
   54,890x = 111,724 × 111,724
4. Step 4: Simplify right side
   54,890x = 12,482,252,176
5. Step 5: Solve for x
   x = 12,482,252,176/54,890
6. Step 6: Final answer
   x = 227,404.85