Finding the Third Proportional to 12,818.25 and 26,656.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,818.25 : 26,656.88 = 26,656.88 : x
2. Step 2: Convert to fraction form
   12,818.25/26,656.88 = 26,656.88/x
3. Step 3: Cross multiply
   12,818.25x = 26,656.88 × 26,656.88
4. Step 4: Simplify right side
   12,818.25x = 710,588,984.77
5. Step 5: Solve for x
   x = 710,588,984.77/12,818.25
6. Step 6: Final answer
   x = 55,435.73