Finding the Third Proportional to 12,658.78 and 26,327.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.78 : 26,327.53 = 26,327.53 : x
2. Step 2: Convert to fraction form
   12,658.78/26,327.53 = 26,327.53/x
3. Step 3: Cross multiply
   12,658.78x = 26,327.53 × 26,327.53
4. Step 4: Simplify right side
   12,658.78x = 693,138,901.72
5. Step 5: Solve for x
   x = 693,138,901.72/12,658.78
6. Step 6: Final answer
   x = 54,755.58