Finding the Third Proportional to 21,491 and 30,264

Step by Step Solution

1. Step 1: Write the proportion equation
   21,491 : 30,264 = 30,264 : x
2. Step 2: Convert to fraction form
   21,491/30,264 = 30,264/x
3. Step 3: Cross multiply
   21,491x = 30,264 × 30,264
4. Step 4: Simplify right side
   21,491x = 915,909,696
5. Step 5: Solve for x
   x = 915,909,696/21,491
6. Step 6: Final answer
   x = 42,618.29