Finding the Third Proportional to 19,772.25 and 21,590.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,772.25 : 21,590.25 = 21,590.25 : x
2. Step 2: Convert to fraction form
   19,772.25/21,590.25 = 21,590.25/x
3. Step 3: Cross multiply
   19,772.25x = 21,590.25 × 21,590.25
4. Step 4: Simplify right side
   19,772.25x = 466,138,895.06
5. Step 5: Solve for x
   x = 466,138,895.06/19,772.25
6. Step 6: Final answer
   x = 23,575.41