Finding the Third Proportional to 18,456 and 28,624

Step by Step Solution

1. Step 1: Write the proportion equation
   18,456 : 28,624 = 28,624 : x
2. Step 2: Convert to fraction form
   18,456/28,624 = 28,624/x
3. Step 3: Cross multiply
   18,456x = 28,624 × 28,624
4. Step 4: Simplify right side
   18,456x = 819,333,376
5. Step 5: Solve for x
   x = 819,333,376/18,456
6. Step 6: Final answer
   x = 44,393.88