Finding the Third Proportional to 10,990 and 25,929

Step by Step Solution

1. Step 1: Write the proportion equation
   10,990 : 25,929 = 25,929 : x
2. Step 2: Convert to fraction form
   10,990/25,929 = 25,929/x
3. Step 3: Cross multiply
   10,990x = 25,929 × 25,929
4. Step 4: Simplify right side
   10,990x = 672,313,041
5. Step 5: Solve for x
   x = 672,313,041/10,990
6. Step 6: Final answer
   x = 61,174.98