Finding the Third Proportional to 10,191 and 21,036.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,191 : 21,036.75 = 21,036.75 : x
2. Step 2: Convert to fraction form
   10,191/21,036.75 = 21,036.75/x
3. Step 3: Cross multiply
   10,191x = 21,036.75 × 21,036.75
4. Step 4: Simplify right side
   10,191x = 442,544,850.56
5. Step 5: Solve for x
   x = 442,544,850.56/10,191
6. Step 6: Final answer
   x = 43,425.07