Finding the Third Proportional to 18,974.25 and 30,157.31

Step by Step Solution

1. Step 1: Write the proportion equation
   18,974.25 : 30,157.31 = 30,157.31 : x
2. Step 2: Convert to fraction form
   18,974.25/30,157.31 = 30,157.31/x
3. Step 3: Cross multiply
   18,974.25x = 30,157.31 × 30,157.31
4. Step 4: Simplify right side
   18,974.25x = 909,463,497.22
5. Step 5: Solve for x
   x = 909,463,497.22/18,974.25
6. Step 6: Final answer
   x = 47,931.46