Finding the Third Proportional to 12,111 and 25,518

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111 : 25,518 = 25,518 : x
2. Step 2: Convert to fraction form
   12,111/25,518 = 25,518/x
3. Step 3: Cross multiply
   12,111x = 25,518 × 25,518
4. Step 4: Simplify right side
   12,111x = 651,168,324
5. Step 5: Solve for x
   x = 651,168,324/12,111
6. Step 6: Final answer
   x = 53,766.69