Finding the Third Proportional to 23,688 and 51,021

Step by Step Solution

1. Step 1: Write the proportion equation
   23,688 : 51,021 = 51,021 : x
2. Step 2: Convert to fraction form
   23,688/51,021 = 51,021/x
3. Step 3: Cross multiply
   23,688x = 51,021 × 51,021
4. Step 4: Simplify right side
   23,688x = 2,603,142,441
5. Step 5: Solve for x
   x = 2,603,142,441/23,688
6. Step 6: Final answer
   x = 109,892.88