Finding the Third Proportional to 12,681.56 and 26,168.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,681.56 : 26,168.06 = 26,168.06 : x
2. Step 2: Convert to fraction form
   12,681.56/26,168.06 = 26,168.06/x
3. Step 3: Cross multiply
   12,681.56x = 26,168.06 × 26,168.06
4. Step 4: Simplify right side
   12,681.56x = 684,767,495.00
5. Step 5: Solve for x
   x = 684,767,495.00/12,681.56
6. Step 6: Final answer
   x = 53,997.09