Finding the Third Proportional to 30,826.41 and 66,330.56

Step by Step Solution

1. Step 1: Write the proportion equation
   30,826.41 : 66,330.56 = 66,330.56 : x
2. Step 2: Convert to fraction form
   30,826.41/66,330.56 = 66,330.56/x
3. Step 3: Cross multiply
   30,826.41x = 66,330.56 × 66,330.56
4. Step 4: Simplify right side
   30,826.41x = 4,399,743,521.57
5. Step 5: Solve for x
   x = 4,399,743,521.57/30,826.41
6. Step 6: Final answer
   x = 142,726.45