Finding the Third Proportional to 21,573.56 and 29,147.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,573.56 : 29,147.34 = 29,147.34 : x
2. Step 2: Convert to fraction form
   21,573.56/29,147.34 = 29,147.34/x
3. Step 3: Cross multiply
   21,573.56x = 29,147.34 × 29,147.34
4. Step 4: Simplify right side
   21,573.56x = 849,567,647.68
5. Step 5: Solve for x
   x = 849,567,647.68/21,573.56
6. Step 6: Final answer
   x = 39,380.04