Finding the Third Proportional to 12,658.39 and 27,699.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.39 : 27,699.54 = 27,699.54 : x
2. Step 2: Convert to fraction form
   12,658.39/27,699.54 = 27,699.54/x
3. Step 3: Cross multiply
   12,658.39x = 27,699.54 × 27,699.54
4. Step 4: Simplify right side
   12,658.39x = 767,264,464.27
5. Step 5: Solve for x
   x = 767,264,464.27/12,658.39
6. Step 6: Final answer
   x = 60,613.09