Finding the Third Proportional to 12,558.38 and 26,409.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,558.38 : 26,409.38 = 26,409.38 : x
2. Step 2: Convert to fraction form
   12,558.38/26,409.38 = 26,409.38/x
3. Step 3: Cross multiply
   12,558.38x = 26,409.38 × 26,409.38
4. Step 4: Simplify right side
   12,558.38x = 697,455,087.89
5. Step 5: Solve for x
   x = 697,455,087.89/12,558.38
6. Step 6: Final answer
   x = 55,537.05