Finding the Third Proportional to 12,215.81 and 26,466.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215.81 : 26,466.75 = 26,466.75 : x
2. Step 2: Convert to fraction form
   12,215.81/26,466.75 = 26,466.75/x
3. Step 3: Cross multiply
   12,215.81x = 26,466.75 × 26,466.75
4. Step 4: Simplify right side
   12,215.81x = 700,488,855.56
5. Step 5: Solve for x
   x = 700,488,855.56/12,215.81
6. Step 6: Final answer
   x = 57,342.80