Finding the Third Proportional to 23,391 and 51,156

Step by Step Solution

1. Step 1: Write the proportion equation
   23,391 : 51,156 = 51,156 : x
2. Step 2: Convert to fraction form
   23,391/51,156 = 51,156/x
3. Step 3: Cross multiply
   23,391x = 51,156 × 51,156
4. Step 4: Simplify right side
   23,391x = 2,616,936,336
5. Step 5: Solve for x
   x = 2,616,936,336/23,391
6. Step 6: Final answer
   x = 111,877.92