Finding the Third Proportional to 11,838 and 25,890

Step by Step Solution

1. Step 1: Write the proportion equation
   11,838 : 25,890 = 25,890 : x
2. Step 2: Convert to fraction form
   11,838/25,890 = 25,890/x
3. Step 3: Cross multiply
   11,838x = 25,890 × 25,890
4. Step 4: Simplify right side
   11,838x = 670,292,100
5. Step 5: Solve for x
   x = 670,292,100/11,838
6. Step 6: Final answer
   x = 56,622.07