Finding the Third Proportional to 12,165.19 and 17,777.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,165.19 : 17,777.92 = 17,777.92 : x
2. Step 2: Convert to fraction form
   12,165.19/17,777.92 = 17,777.92/x
3. Step 3: Cross multiply
   12,165.19x = 17,777.92 × 17,777.92
4. Step 4: Simplify right side
   12,165.19x = 316,054,367.30
5. Step 5: Solve for x
   x = 316,054,367.30/12,165.19
6. Step 6: Final answer
   x = 25,980.23