Finding the Third Proportional to 20,170.69 and 31,106.53

Step by Step Solution

1. Step 1: Write the proportion equation
   20,170.69 : 31,106.53 = 31,106.53 : x
2. Step 2: Convert to fraction form
   20,170.69/31,106.53 = 31,106.53/x
3. Step 3: Cross multiply
   20,170.69x = 31,106.53 × 31,106.53
4. Step 4: Simplify right side
   20,170.69x = 967,616,286.41
5. Step 5: Solve for x
   x = 967,616,286.41/20,170.69
6. Step 6: Final answer
   x = 47,971.41