Finding the Third Proportional to 9,636.47 and 20,981.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,636.47 : 20,981.53 = 20,981.53 : x
2. Step 2: Convert to fraction form
   9,636.47/20,981.53 = 20,981.53/x
3. Step 3: Cross multiply
   9,636.47x = 20,981.53 × 20,981.53
4. Step 4: Simplify right side
   9,636.47x = 440,224,653.59
5. Step 5: Solve for x
   x = 440,224,653.59/9,636.47
6. Step 6: Final answer
   x = 45,683.19