Finding the Third Proportional to 23,128 and 25,558

Step by Step Solution

1. Step 1: Write the proportion equation
   23,128 : 25,558 = 25,558 : x
2. Step 2: Convert to fraction form
   23,128/25,558 = 25,558/x
3. Step 3: Cross multiply
   23,128x = 25,558 × 25,558
4. Step 4: Simplify right side
   23,128x = 653,211,364
5. Step 5: Solve for x
   x = 653,211,364/23,128
6. Step 6: Final answer
   x = 28,243.31