Finding the Third Proportional to 9,115 and 13,949

Step by Step Solution

1. Step 1: Write the proportion equation
   9,115 : 13,949 = 13,949 : x
2. Step 2: Convert to fraction form
   9,115/13,949 = 13,949/x
3. Step 3: Cross multiply
   9,115x = 13,949 × 13,949
4. Step 4: Simplify right side
   9,115x = 194,574,601
5. Step 5: Solve for x
   x = 194,574,601/9,115
6. Step 6: Final answer
   x = 21,346.64