Finding the Third Proportional to 21,226 and 30,259

Step by Step Solution

1. Step 1: Write the proportion equation
   21,226 : 30,259 = 30,259 : x
2. Step 2: Convert to fraction form
   21,226/30,259 = 30,259/x
3. Step 3: Cross multiply
   21,226x = 30,259 × 30,259
4. Step 4: Simplify right side
   21,226x = 915,607,081
5. Step 5: Solve for x
   x = 915,607,081/21,226
6. Step 6: Final answer
   x = 43,136.11