Finding the Third Proportional to 19,780 and 30,804

Step by Step Solution

1. Step 1: Write the proportion equation
   19,780 : 30,804 = 30,804 : x
2. Step 2: Convert to fraction form
   19,780/30,804 = 30,804/x
3. Step 3: Cross multiply
   19,780x = 30,804 × 30,804
4. Step 4: Simplify right side
   19,780x = 948,886,416
5. Step 5: Solve for x
   x = 948,886,416/19,780
6. Step 6: Final answer
   x = 47,972.01