Finding the Third Proportional to 69,886 and 108,980

Step by Step Solution

1. Step 1: Write the proportion equation
   69,886 : 108,980 = 108,980 : x
2. Step 2: Convert to fraction form
   69,886/108,980 = 108,980/x
3. Step 3: Cross multiply
   69,886x = 108,980 × 108,980
4. Step 4: Simplify right side
   69,886x = 11,876,640,400
5. Step 5: Solve for x
   x = 11,876,640,400/69,886
6. Step 6: Final answer
   x = 169,943.06