Finding the Third Proportional to 19,722 and 30,556

Step by Step Solution

1. Step 1: Write the proportion equation
   19,722 : 30,556 = 30,556 : x
2. Step 2: Convert to fraction form
   19,722/30,556 = 30,556/x
3. Step 3: Cross multiply
   19,722x = 30,556 × 30,556
4. Step 4: Simplify right side
   19,722x = 933,669,136
5. Step 5: Solve for x
   x = 933,669,136/19,722
6. Step 6: Final answer
   x = 47,341.50