Finding the Third Proportional to 86,065 and 123,958

Step by Step Solution

1. Step 1: Write the proportion equation
   86,065 : 123,958 = 123,958 : x
2. Step 2: Convert to fraction form
   86,065/123,958 = 123,958/x
3. Step 3: Cross multiply
   86,065x = 123,958 × 123,958
4. Step 4: Simplify right side
   86,065x = 15,365,585,764
5. Step 5: Solve for x
   x = 15,365,585,764/86,065
6. Step 6: Final answer
   x = 178,534.66