Finding the Third Proportional to 12,772.69 and 26,866.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,772.69 : 26,866.69 = 26,866.69 : x
2. Step 2: Convert to fraction form
   12,772.69/26,866.69 = 26,866.69/x
3. Step 3: Cross multiply
   12,772.69x = 26,866.69 × 26,866.69
4. Step 4: Simplify right side
   12,772.69x = 721,818,897.22
5. Step 5: Solve for x
   x = 721,818,897.22/12,772.69
6. Step 6: Final answer
   x = 56,512.69