Finding the Third Proportional to 21,036 and 35,058.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,036 : 35,058.75 = 35,058.75 : x
2. Step 2: Convert to fraction form
   21,036/35,058.75 = 35,058.75/x
3. Step 3: Cross multiply
   21,036x = 35,058.75 × 35,058.75
4. Step 4: Simplify right side
   21,036x = 1,229,115,951.56
5. Step 5: Solve for x
   x = 1,229,115,951.56/21,036
6. Step 6: Final answer
   x = 58,429.17