Finding the Third Proportional to 15,323 and 31,630

Step by Step Solution

1. Step 1: Write the proportion equation
   15,323 : 31,630 = 31,630 : x
2. Step 2: Convert to fraction form
   15,323/31,630 = 31,630/x
3. Step 3: Cross multiply
   15,323x = 31,630 × 31,630
4. Step 4: Simplify right side
   15,323x = 1,000,456,900
5. Step 5: Solve for x
   x = 1,000,456,900/15,323
6. Step 6: Final answer
   x = 65,291.19