Finding the Third Proportional to 18,129 and 28,014

Step by Step Solution

1. Step 1: Write the proportion equation
   18,129 : 28,014 = 28,014 : x
2. Step 2: Convert to fraction form
   18,129/28,014 = 28,014/x
3. Step 3: Cross multiply
   18,129x = 28,014 × 28,014
4. Step 4: Simplify right side
   18,129x = 784,784,196
5. Step 5: Solve for x
   x = 784,784,196/18,129
6. Step 6: Final answer
   x = 43,288.88