Finding the Third Proportional to 14,172 and 30,828

Step by Step Solution

1. Step 1: Write the proportion equation
   14,172 : 30,828 = 30,828 : x
2. Step 2: Convert to fraction form
   14,172/30,828 = 30,828/x
3. Step 3: Cross multiply
   14,172x = 30,828 × 30,828
4. Step 4: Simplify right side
   14,172x = 950,365,584
5. Step 5: Solve for x
   x = 950,365,584/14,172
6. Step 6: Final answer
   x = 67,059.38