Finding the Third Proportional to 20,085 and 42,949

Step by Step Solution

1. Step 1: Write the proportion equation
   20,085 : 42,949 = 42,949 : x
2. Step 2: Convert to fraction form
   20,085/42,949 = 42,949/x
3. Step 3: Cross multiply
   20,085x = 42,949 × 42,949
4. Step 4: Simplify right side
   20,085x = 1,844,616,601
5. Step 5: Solve for x
   x = 1,844,616,601/20,085
6. Step 6: Final answer
   x = 91,840.51