Finding the Third Proportional to 27,028 and 55,390

Step by Step Solution

1. Step 1: Write the proportion equation
   27,028 : 55,390 = 55,390 : x
2. Step 2: Convert to fraction form
   27,028/55,390 = 55,390/x
3. Step 3: Cross multiply
   27,028x = 55,390 × 55,390
4. Step 4: Simplify right side
   27,028x = 3,068,052,100
5. Step 5: Solve for x
   x = 3,068,052,100/27,028
6. Step 6: Final answer
   x = 113,513.84