Finding the Third Proportional to 20,382 and 30,778

Step by Step Solution

1. Step 1: Write the proportion equation
   20,382 : 30,778 = 30,778 : x
2. Step 2: Convert to fraction form
   20,382/30,778 = 30,778/x
3. Step 3: Cross multiply
   20,382x = 30,778 × 30,778
4. Step 4: Simplify right side
   20,382x = 947,285,284
5. Step 5: Solve for x
   x = 947,285,284/20,382
6. Step 6: Final answer
   x = 46,476.56