Finding the Third Proportional to 13,915 and 30,189

Step by Step Solution

1. Step 1: Write the proportion equation
   13,915 : 30,189 = 30,189 : x
2. Step 2: Convert to fraction form
   13,915/30,189 = 30,189/x
3. Step 3: Cross multiply
   13,915x = 30,189 × 30,189
4. Step 4: Simplify right side
   13,915x = 911,375,721
5. Step 5: Solve for x
   x = 911,375,721/13,915
6. Step 6: Final answer
   x = 65,495.92