Finding the Third Proportional to 12,765.09 and 19,810.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,765.09 : 19,810.83 = 19,810.83 : x
2. Step 2: Convert to fraction form
   12,765.09/19,810.83 = 19,810.83/x
3. Step 3: Cross multiply
   12,765.09x = 19,810.83 × 19,810.83
4. Step 4: Simplify right side
   12,765.09x = 392,468,911.00
5. Step 5: Solve for x
   x = 392,468,911.00/12,765.09
6. Step 6: Final answer
   x = 30,745.48