Finding the Third Proportional to 9,608.63 and 21,009.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.63 : 21,009.38 = 21,009.38 : x
2. Step 2: Convert to fraction form
   9,608.63/21,009.38 = 21,009.38/x
3. Step 3: Cross multiply
   9,608.63x = 21,009.38 × 21,009.38
4. Step 4: Simplify right side
   9,608.63x = 441,393,837.89
5. Step 5: Solve for x
   x = 441,393,837.89/9,608.63
6. Step 6: Final answer
   x = 45,937.25