Finding the Third Proportional to 19,155 and 30,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,155 : 30,757.50 = 30,757.50 : x
2. Step 2: Convert to fraction form
   19,155/30,757.50 = 30,757.50/x
3. Step 3: Cross multiply
   19,155x = 30,757.50 × 30,757.50
4. Step 4: Simplify right side
   19,155x = 946,023,806.25
5. Step 5: Solve for x
   x = 946,023,806.25/19,155
6. Step 6: Final answer
   x = 49,387.83