Finding the Third Proportional to 9,911.90 and 20,796.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,911.90 : 20,796.83 = 20,796.83 : x
2. Step 2: Convert to fraction form
   9,911.90/20,796.83 = 20,796.83/x
3. Step 3: Cross multiply
   9,911.90x = 20,796.83 × 20,796.83
4. Step 4: Simplify right side
   9,911.90x = 432,508,100.68
5. Step 5: Solve for x
   x = 432,508,100.68/9,911.90
6. Step 6: Final answer
   x = 43,635.23