Finding the Third Proportional to 13,788 and 30,456

Step by Step Solution

1. Step 1: Write the proportion equation
   13,788 : 30,456 = 30,456 : x
2. Step 2: Convert to fraction form
   13,788/30,456 = 30,456/x
3. Step 3: Cross multiply
   13,788x = 30,456 × 30,456
4. Step 4: Simplify right side
   13,788x = 927,567,936
5. Step 5: Solve for x
   x = 927,567,936/13,788
6. Step 6: Final answer
   x = 67,273.57