Finding the Third Proportional to 21,987 and 34,071

Step by Step Solution

1. Step 1: Write the proportion equation
   21,987 : 34,071 = 34,071 : x
2. Step 2: Convert to fraction form
   21,987/34,071 = 34,071/x
3. Step 3: Cross multiply
   21,987x = 34,071 × 34,071
4. Step 4: Simplify right side
   21,987x = 1,160,833,041
5. Step 5: Solve for x
   x = 1,160,833,041/21,987
6. Step 6: Final answer
   x = 52,796.34