Finding the Third Proportional to 23,670 and 51,390

Step by Step Solution

1. Step 1: Write the proportion equation
   23,670 : 51,390 = 51,390 : x
2. Step 2: Convert to fraction form
   23,670/51,390 = 51,390/x
3. Step 3: Cross multiply
   23,670x = 51,390 × 51,390
4. Step 4: Simplify right side
   23,670x = 2,640,932,100
5. Step 5: Solve for x
   x = 2,640,932,100/23,670
6. Step 6: Final answer
   x = 111,572.97