Finding the Third Proportional to 14,172 and 31,071

Step by Step Solution

1. Step 1: Write the proportion equation
   14,172 : 31,071 = 31,071 : x
2. Step 2: Convert to fraction form
   14,172/31,071 = 31,071/x
3. Step 3: Cross multiply
   14,172x = 31,071 × 31,071
4. Step 4: Simplify right side
   14,172x = 965,407,041
5. Step 5: Solve for x
   x = 965,407,041/14,172
6. Step 6: Final answer
   x = 68,120.73