Finding the Third Proportional to 10,269.75 and 21,026.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269.75 : 21,026.25 = 21,026.25 : x
2. Step 2: Convert to fraction form
   10,269.75/21,026.25 = 21,026.25/x
3. Step 3: Cross multiply
   10,269.75x = 21,026.25 × 21,026.25
4. Step 4: Simplify right side
   10,269.75x = 442,103,189.06
5. Step 5: Solve for x
   x = 442,103,189.06/10,269.75
6. Step 6: Final answer
   x = 43,049.07