Finding the Third Proportional to 9,141.75 and 18,870.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,141.75 : 18,870.75 = 18,870.75 : x
2. Step 2: Convert to fraction form
   9,141.75/18,870.75 = 18,870.75/x
3. Step 3: Cross multiply
   9,141.75x = 18,870.75 × 18,870.75
4. Step 4: Simplify right side
   9,141.75x = 356,105,205.56
5. Step 5: Solve for x
   x = 356,105,205.56/9,141.75
6. Step 6: Final answer
   x = 38,953.72