Finding the Third Proportional to 12,165.75 and 28,604.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,165.75 : 28,604.25 = 28,604.25 : x
2. Step 2: Convert to fraction form
   12,165.75/28,604.25 = 28,604.25/x
3. Step 3: Cross multiply
   12,165.75x = 28,604.25 × 28,604.25
4. Step 4: Simplify right side
   12,165.75x = 818,203,118.06
5. Step 5: Solve for x
   x = 818,203,118.06/12,165.75
6. Step 6: Final answer
   x = 67,254.64