Finding the Third Proportional to 21,200 and 29,071

Step by Step Solution

1. Step 1: Write the proportion equation
   21,200 : 29,071 = 29,071 : x
2. Step 2: Convert to fraction form
   21,200/29,071 = 29,071/x
3. Step 3: Cross multiply
   21,200x = 29,071 × 29,071
4. Step 4: Simplify right side
   21,200x = 845,123,041
5. Step 5: Solve for x
   x = 845,123,041/21,200
6. Step 6: Final answer
   x = 39,864.29