Finding the Third Proportional to 23,420 and 51,308

Step by Step Solution

1. Step 1: Write the proportion equation
   23,420 : 51,308 = 51,308 : x
2. Step 2: Convert to fraction form
   23,420/51,308 = 51,308/x
3. Step 3: Cross multiply
   23,420x = 51,308 × 51,308
4. Step 4: Simplify right side
   23,420x = 2,632,510,864
5. Step 5: Solve for x
   x = 2,632,510,864/23,420
6. Step 6: Final answer
   x = 112,404.39