Finding the Third Proportional to 13,900 and 30,568

Step by Step Solution

1. Step 1: Write the proportion equation
   13,900 : 30,568 = 30,568 : x
2. Step 2: Convert to fraction form
   13,900/30,568 = 30,568/x
3. Step 3: Cross multiply
   13,900x = 30,568 × 30,568
4. Step 4: Simplify right side
   13,900x = 934,402,624
5. Step 5: Solve for x
   x = 934,402,624/13,900
6. Step 6: Final answer
   x = 67,223.21