Finding the Third Proportional to 9,756 and 19,810

Step by Step Solution

1. Step 1: Write the proportion equation
   9,756 : 19,810 = 19,810 : x
2. Step 2: Convert to fraction form
   9,756/19,810 = 19,810/x
3. Step 3: Cross multiply
   9,756x = 19,810 × 19,810
4. Step 4: Simplify right side
   9,756x = 392,436,100
5. Step 5: Solve for x
   x = 392,436,100/9,756
6. Step 6: Final answer
   x = 40,225.10