Finding the Third Proportional to 27,679.22 and 43,248.78

Step by Step Solution

1. Step 1: Write the proportion equation
   27,679.22 : 43,248.78 = 43,248.78 : x
2. Step 2: Convert to fraction form
   27,679.22/43,248.78 = 43,248.78/x
3. Step 3: Cross multiply
   27,679.22x = 43,248.78 × 43,248.78
4. Step 4: Simplify right side
   27,679.22x = 1,870,456,910.67
5. Step 5: Solve for x
   x = 1,870,456,910.67/27,679.22
6. Step 6: Final answer
   x = 67,576.22