Finding the Third Proportional to 12,819.94 and 26,659.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,819.94 : 26,659.13 = 26,659.13 : x
2. Step 2: Convert to fraction form
   12,819.94/26,659.13 = 26,659.13/x
3. Step 3: Cross multiply
   12,819.94x = 26,659.13 × 26,659.13
4. Step 4: Simplify right side
   12,819.94x = 710,708,945.77
5. Step 5: Solve for x
   x = 710,708,945.77/12,819.94
6. Step 6: Final answer
   x = 55,437.79