Finding the Third Proportional to 69,167 and 140,868

Step by Step Solution

1. Step 1: Write the proportion equation
   69,167 : 140,868 = 140,868 : x
2. Step 2: Convert to fraction form
   69,167/140,868 = 140,868/x
3. Step 3: Cross multiply
   69,167x = 140,868 × 140,868
4. Step 4: Simplify right side
   69,167x = 19,843,793,424
5. Step 5: Solve for x
   x = 19,843,793,424/69,167
6. Step 6: Final answer
   x = 286,896.84