Finding the Third Proportional to 9,758 and 20,659

Step by Step Solution

1. Step 1: Write the proportion equation
   9,758 : 20,659 = 20,659 : x
2. Step 2: Convert to fraction form
   9,758/20,659 = 20,659/x
3. Step 3: Cross multiply
   9,758x = 20,659 × 20,659
4. Step 4: Simplify right side
   9,758x = 426,794,281
5. Step 5: Solve for x
   x = 426,794,281/9,758
6. Step 6: Final answer
   x = 43,737.88