Finding the Third Proportional to 11,800 and 25,788

Step by Step Solution

1. Step 1: Write the proportion equation
   11,800 : 25,788 = 25,788 : x
2. Step 2: Convert to fraction form
   11,800/25,788 = 25,788/x
3. Step 3: Cross multiply
   11,800x = 25,788 × 25,788
4. Step 4: Simplify right side
   11,800x = 665,020,944
5. Step 5: Solve for x
   x = 665,020,944/11,800
6. Step 6: Final answer
   x = 56,357.71