Finding the Third Proportional to 21,464 and 30,225

Step by Step Solution

1. Step 1: Write the proportion equation
   21,464 : 30,225 = 30,225 : x
2. Step 2: Convert to fraction form
   21,464/30,225 = 30,225/x
3. Step 3: Cross multiply
   21,464x = 30,225 × 30,225
4. Step 4: Simplify right side
   21,464x = 913,550,625
5. Step 5: Solve for x
   x = 913,550,625/21,464
6. Step 6: Final answer
   x = 42,561.99