Finding the Third Proportional to 20,054 and 42,556

Step by Step Solution

1. Step 1: Write the proportion equation
   20,054 : 42,556 = 42,556 : x
2. Step 2: Convert to fraction form
   20,054/42,556 = 42,556/x
3. Step 3: Cross multiply
   20,054x = 42,556 × 42,556
4. Step 4: Simplify right side
   20,054x = 1,811,013,136
5. Step 5: Solve for x
   x = 1,811,013,136/20,054
6. Step 6: Final answer
   x = 90,306.83