Finding the Third Proportional to 19,778 and 30,802

Step by Step Solution

1. Step 1: Write the proportion equation
   19,778 : 30,802 = 30,802 : x
2. Step 2: Convert to fraction form
   19,778/30,802 = 30,802/x
3. Step 3: Cross multiply
   19,778x = 30,802 × 30,802
4. Step 4: Simplify right side
   19,778x = 948,763,204
5. Step 5: Solve for x
   x = 948,763,204/19,778
6. Step 6: Final answer
   x = 47,970.63