Finding the Third Proportional to 23,679 and 39,460

Step by Step Solution

1. Step 1: Write the proportion equation
   23,679 : 39,460 = 39,460 : x
2. Step 2: Convert to fraction form
   23,679/39,460 = 39,460/x
3. Step 3: Cross multiply
   23,679x = 39,460 × 39,460
4. Step 4: Simplify right side
   23,679x = 1,557,091,600
5. Step 5: Solve for x
   x = 1,557,091,600/23,679
6. Step 6: Final answer
   x = 65,758.33