Finding the Third Proportional to 12,222.56 and 26,780.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,222.56 : 26,780.63 = 26,780.63 : x
2. Step 2: Convert to fraction form
   12,222.56/26,780.63 = 26,780.63/x
3. Step 3: Cross multiply
   12,222.56x = 26,780.63 × 26,780.63
4. Step 4: Simplify right side
   12,222.56x = 717,201,875.39
5. Step 5: Solve for x
   x = 717,201,875.39/12,222.56
6. Step 6: Final answer
   x = 58,678.52