Finding the Third Proportional to 19,257.75 and 21,809.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,257.75 : 21,809.25 = 21,809.25 : x
2. Step 2: Convert to fraction form
   19,257.75/21,809.25 = 21,809.25/x
3. Step 3: Cross multiply
   19,257.75x = 21,809.25 × 21,809.25
4. Step 4: Simplify right side
   19,257.75x = 475,643,385.56
5. Step 5: Solve for x
   x = 475,643,385.56/19,257.75
6. Step 6: Final answer
   x = 24,698.80