Finding the Third Proportional to 12,219.61 and 18,433.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,219.61 : 18,433.83 = 18,433.83 : x
2. Step 2: Convert to fraction form
   12,219.61/18,433.83 = 18,433.83/x
3. Step 3: Cross multiply
   12,219.61x = 18,433.83 × 18,433.83
4. Step 4: Simplify right side
   12,219.61x = 339,806,019.34
5. Step 5: Solve for x
   x = 339,806,019.34/12,219.61
6. Step 6: Final answer
   x = 27,808.26