Finding the Third Proportional to 13,981.50 and 31,071

Step by Step Solution

1. Step 1: Write the proportion equation
   13,981.50 : 31,071 = 31,071 : x
2. Step 2: Convert to fraction form
   13,981.50/31,071 = 31,071/x
3. Step 3: Cross multiply
   13,981.50x = 31,071 × 31,071
4. Step 4: Simplify right side
   13,981.50x = 965,407,041
5. Step 5: Solve for x
   x = 965,407,041/13,981.50
6. Step 6: Final answer
   x = 69,048.89