Finding the Third Proportional to 11,870 and 25,621

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870 : 25,621 = 25,621 : x
2. Step 2: Convert to fraction form
   11,870/25,621 = 25,621/x
3. Step 3: Cross multiply
   11,870x = 25,621 × 25,621
4. Step 4: Simplify right side
   11,870x = 656,435,641
5. Step 5: Solve for x
   x = 656,435,641/11,870
6. Step 6: Final answer
   x = 55,302.08