Finding the Third Proportional to 19,970 and 31,556

Step by Step Solution

1. Step 1: Write the proportion equation
   19,970 : 31,556 = 31,556 : x
2. Step 2: Convert to fraction form
   19,970/31,556 = 31,556/x
3. Step 3: Cross multiply
   19,970x = 31,556 × 31,556
4. Step 4: Simplify right side
   19,970x = 995,781,136
5. Step 5: Solve for x
   x = 995,781,136/19,970
6. Step 6: Final answer
   x = 49,863.85