Finding the Third Proportional to 20,490 and 30,948

Step by Step Solution

1. Step 1: Write the proportion equation
   20,490 : 30,948 = 30,948 : x
2. Step 2: Convert to fraction form
   20,490/30,948 = 30,948/x
3. Step 3: Cross multiply
   20,490x = 30,948 × 30,948
4. Step 4: Simplify right side
   20,490x = 957,778,704
5. Step 5: Solve for x
   x = 957,778,704/20,490
6. Step 6: Final answer
   x = 46,743.71