Finding the Third Proportional to 12,461.34 and 18,209.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.34 : 18,209.81 = 18,209.81 : x
2. Step 2: Convert to fraction form
   12,461.34/18,209.81 = 18,209.81/x
3. Step 3: Cross multiply
   12,461.34x = 18,209.81 × 18,209.81
4. Step 4: Simplify right side
   12,461.34x = 331,597,271.29
5. Step 5: Solve for x
   x = 331,597,271.29/12,461.34
6. Step 6: Final answer
   x = 26,610.07