Finding the Third Proportional to 12,901.78 and 26,464.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.78 : 26,464.22 = 26,464.22 : x
2. Step 2: Convert to fraction form
   12,901.78/26,464.22 = 26,464.22/x
3. Step 3: Cross multiply
   12,901.78x = 26,464.22 × 26,464.22
4. Step 4: Simplify right side
   12,901.78x = 700,354,874.05
5. Step 5: Solve for x
   x = 700,354,874.05/12,901.78
6. Step 6: Final answer
   x = 54,283.58