Finding the Third Proportional to 14,290 and 30,631

Step by Step Solution

1. Step 1: Write the proportion equation
   14,290 : 30,631 = 30,631 : x
2. Step 2: Convert to fraction form
   14,290/30,631 = 30,631/x
3. Step 3: Cross multiply
   14,290x = 30,631 × 30,631
4. Step 4: Simplify right side
   14,290x = 938,258,161
5. Step 5: Solve for x
   x = 938,258,161/14,290
6. Step 6: Final answer
   x = 65,658.37