Finding the Third Proportional to 11,946 and 13,620

Step by Step Solution

1. Step 1: Write the proportion equation
   11,946 : 13,620 = 13,620 : x
2. Step 2: Convert to fraction form
   11,946/13,620 = 13,620/x
3. Step 3: Cross multiply
   11,946x = 13,620 × 13,620
4. Step 4: Simplify right side
   11,946x = 185,504,400
5. Step 5: Solve for x
   x = 185,504,400/11,946
6. Step 6: Final answer
   x = 15,528.58