Finding the Third Proportional to 9,629.44 and 21,031.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,629.44 : 21,031.31 = 21,031.31 : x
2. Step 2: Convert to fraction form
   9,629.44/21,031.31 = 21,031.31/x
3. Step 3: Cross multiply
   9,629.44x = 21,031.31 × 21,031.31
4. Step 4: Simplify right side
   9,629.44x = 442,316,105.47
5. Step 5: Solve for x
   x = 442,316,105.47/9,629.44
6. Step 6: Final answer
   x = 45,933.74