Finding the Third Proportional to 11,035.50 and 21,517.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,035.50 : 21,517.50 = 21,517.50 : x
2. Step 2: Convert to fraction form
   11,035.50/21,517.50 = 21,517.50/x
3. Step 3: Cross multiply
   11,035.50x = 21,517.50 × 21,517.50
4. Step 4: Simplify right side
   11,035.50x = 463,002,806.25
5. Step 5: Solve for x
   x = 463,002,806.25/11,035.50
6. Step 6: Final answer
   x = 41,955.76