Finding the Third Proportional to 5,513.63 and 12,018.66

Step by Step Solution

1. Step 1: Write the proportion equation
   5,513.63 : 12,018.66 = 12,018.66 : x
2. Step 2: Convert to fraction form
   5,513.63/12,018.66 = 12,018.66/x
3. Step 3: Cross multiply
   5,513.63x = 12,018.66 × 12,018.66
4. Step 4: Simplify right side
   5,513.63x = 144,448,098.06
5. Step 5: Solve for x
   x = 144,448,098.06/5,513.63
6. Step 6: Final answer
   x = 26,198.39