Finding the Third Proportional to 10,620 and 22,686

Step by Step Solution

1. Step 1: Write the proportion equation
   10,620 : 22,686 = 22,686 : x
2. Step 2: Convert to fraction form
   10,620/22,686 = 22,686/x
3. Step 3: Cross multiply
   10,620x = 22,686 × 22,686
4. Step 4: Simplify right side
   10,620x = 514,654,596
5. Step 5: Solve for x
   x = 514,654,596/10,620
6. Step 6: Final answer
   x = 48,460.88