Finding the Third Proportional to 12,229.73 and 17,985.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,229.73 : 17,985.80 = 17,985.80 : x
2. Step 2: Convert to fraction form
   12,229.73/17,985.80 = 17,985.80/x
3. Step 3: Cross multiply
   12,229.73x = 17,985.80 × 17,985.80
4. Step 4: Simplify right side
   12,229.73x = 323,488,889.23
5. Step 5: Solve for x
   x = 323,488,889.23/12,229.73
6. Step 6: Final answer
   x = 26,451.02