Finding the Third Proportional to 12,012.89 and 26,288.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.89 : 26,288.72 = 26,288.72 : x
2. Step 2: Convert to fraction form
   12,012.89/26,288.72 = 26,288.72/x
3. Step 3: Cross multiply
   12,012.89x = 26,288.72 × 26,288.72
4. Step 4: Simplify right side
   12,012.89x = 691,096,733.52
5. Step 5: Solve for x
   x = 691,096,733.52/12,012.89
6. Step 6: Final answer
   x = 57,529.60