Finding the Third Proportional to 17,485.31 and 27,729.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,485.31 : 27,729.56 = 27,729.56 : x
2. Step 2: Convert to fraction form
   17,485.31/27,729.56 = 27,729.56/x
3. Step 3: Cross multiply
   17,485.31x = 27,729.56 × 27,729.56
4. Step 4: Simplify right side
   17,485.31x = 768,928,636.44
5. Step 5: Solve for x
   x = 768,928,636.44/17,485.31
6. Step 6: Final answer
   x = 43,975.69