Finding the Third Proportional to 12,071 and 15,910

Step by Step Solution

1. Step 1: Write the proportion equation
   12,071 : 15,910 = 15,910 : x
2. Step 2: Convert to fraction form
   12,071/15,910 = 15,910/x
3. Step 3: Cross multiply
   12,071x = 15,910 × 15,910
4. Step 4: Simplify right side
   12,071x = 253,128,100
5. Step 5: Solve for x
   x = 253,128,100/12,071
6. Step 6: Final answer
   x = 20,969.94