Finding the Third Proportional to 15,872 and 34,111

Step by Step Solution

1. Step 1: Write the proportion equation
   15,872 : 34,111 = 34,111 : x
2. Step 2: Convert to fraction form
   15,872/34,111 = 34,111/x
3. Step 3: Cross multiply
   15,872x = 34,111 × 34,111
4. Step 4: Simplify right side
   15,872x = 1,163,560,321
5. Step 5: Solve for x
   x = 1,163,560,321/15,872
6. Step 6: Final answer
   x = 73,308.99