Finding the Third Proportional to 21,075.75 and 41,550.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,075.75 : 41,550.75 = 41,550.75 : x
2. Step 2: Convert to fraction form
   21,075.75/41,550.75 = 41,550.75/x
3. Step 3: Cross multiply
   21,075.75x = 41,550.75 × 41,550.75
4. Step 4: Simplify right side
   21,075.75x = 1,726,464,825.56
5. Step 5: Solve for x
   x = 1,726,464,825.56/21,075.75
6. Step 6: Final answer
   x = 81,917.12