Finding the Third Proportional to 83,054 and 128,949

Step by Step Solution

1. Step 1: Write the proportion equation
   83,054 : 128,949 = 128,949 : x
2. Step 2: Convert to fraction form
   83,054/128,949 = 128,949/x
3. Step 3: Cross multiply
   83,054x = 128,949 × 128,949
4. Step 4: Simplify right side
   83,054x = 16,627,844,601
5. Step 5: Solve for x
   x = 16,627,844,601/83,054
6. Step 6: Final answer
   x = 200,205.22