Finding the Third Proportional to 9,860 and 18,648

Step by Step Solution

1. Step 1: Write the proportion equation
   9,860 : 18,648 = 18,648 : x
2. Step 2: Convert to fraction form
   9,860/18,648 = 18,648/x
3. Step 3: Cross multiply
   9,860x = 18,648 × 18,648
4. Step 4: Simplify right side
   9,860x = 347,747,904
5. Step 5: Solve for x
   x = 347,747,904/9,860
6. Step 6: Final answer
   x = 35,268.55