Finding the Third Proportional to 19,731 and 30,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,731 : 30,610.50 = 30,610.50 : x
2. Step 2: Convert to fraction form
   19,731/30,610.50 = 30,610.50/x
3. Step 3: Cross multiply
   19,731x = 30,610.50 × 30,610.50
4. Step 4: Simplify right side
   19,731x = 937,002,710.25
5. Step 5: Solve for x
   x = 937,002,710.25/19,731
6. Step 6: Final answer
   x = 47,488.86