Finding the Third Proportional to 15,211 and 31,150

Step by Step Solution

1. Step 1: Write the proportion equation
   15,211 : 31,150 = 31,150 : x
2. Step 2: Convert to fraction form
   15,211/31,150 = 31,150/x
3. Step 3: Cross multiply
   15,211x = 31,150 × 31,150
4. Step 4: Simplify right side
   15,211x = 970,322,500
5. Step 5: Solve for x
   x = 970,322,500/15,211
6. Step 6: Final answer
   x = 63,790.84