Finding the Third Proportional to 11,858 and 25,554

Step by Step Solution

1. Step 1: Write the proportion equation
   11,858 : 25,554 = 25,554 : x
2. Step 2: Convert to fraction form
   11,858/25,554 = 25,554/x
3. Step 3: Cross multiply
   11,858x = 25,554 × 25,554
4. Step 4: Simplify right side
   11,858x = 653,006,916
5. Step 5: Solve for x
   x = 653,006,916/11,858
6. Step 6: Final answer
   x = 55,068.89