Finding the Third Proportional to 11,191.50 and 21,836.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,191.50 : 21,836.25 = 21,836.25 : x
2. Step 2: Convert to fraction form
   11,191.50/21,836.25 = 21,836.25/x
3. Step 3: Cross multiply
   11,191.50x = 21,836.25 × 21,836.25
4. Step 4: Simplify right side
   11,191.50x = 476,821,814.06
5. Step 5: Solve for x
   x = 476,821,814.06/11,191.50
6. Step 6: Final answer
   x = 42,605.71