Finding the Third Proportional to 15,222 and 30,861

Step by Step Solution

1. Step 1: Write the proportion equation
   15,222 : 30,861 = 30,861 : x
2. Step 2: Convert to fraction form
   15,222/30,861 = 30,861/x
3. Step 3: Cross multiply
   15,222x = 30,861 × 30,861
4. Step 4: Simplify right side
   15,222x = 952,401,321
5. Step 5: Solve for x
   x = 952,401,321/15,222
6. Step 6: Final answer
   x = 62,567.42