Finding the Third Proportional to 17,946 and 39,510

Step by Step Solution

1. Step 1: Write the proportion equation
   17,946 : 39,510 = 39,510 : x
2. Step 2: Convert to fraction form
   17,946/39,510 = 39,510/x
3. Step 3: Cross multiply
   17,946x = 39,510 × 39,510
4. Step 4: Simplify right side
   17,946x = 1,561,040,100
5. Step 5: Solve for x
   x = 1,561,040,100/17,946
6. Step 6: Final answer
   x = 86,985.41