Finding the Third Proportional to 12,369.80 and 26,959.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,369.80 : 26,959.78 = 26,959.78 : x
2. Step 2: Convert to fraction form
   12,369.80/26,959.78 = 26,959.78/x
3. Step 3: Cross multiply
   12,369.80x = 26,959.78 × 26,959.78
4. Step 4: Simplify right side
   12,369.80x = 726,829,805.05
5. Step 5: Solve for x
   x = 726,829,805.05/12,369.80
6. Step 6: Final answer
   x = 58,758.43