Finding the Third Proportional to 9,659.63 and 21,164.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,659.63 : 21,164.63 = 21,164.63 : x
2. Step 2: Convert to fraction form
   9,659.63/21,164.63 = 21,164.63/x
3. Step 3: Cross multiply
   9,659.63x = 21,164.63 × 21,164.63
4. Step 4: Simplify right side
   9,659.63x = 447,941,351.39
5. Step 5: Solve for x
   x = 447,941,351.39/9,659.63
6. Step 6: Final answer
   x = 46,372.54