Finding the Third Proportional to 21,016.13 and 29,922.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,016.13 : 29,922.75 = 29,922.75 : x
2. Step 2: Convert to fraction form
   21,016.13/29,922.75 = 29,922.75/x
3. Step 3: Cross multiply
   21,016.13x = 29,922.75 × 29,922.75
4. Step 4: Simplify right side
   21,016.13x = 895,370,967.56
5. Step 5: Solve for x
   x = 895,370,967.56/21,016.13
6. Step 6: Final answer
   x = 42,604.00