Finding the Third Proportional to 27,185.50 and 55,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,185.50 : 55,139.50 = 55,139.50 : x
2. Step 2: Convert to fraction form
   27,185.50/55,139.50 = 55,139.50/x
3. Step 3: Cross multiply
   27,185.50x = 55,139.50 × 55,139.50
4. Step 4: Simplify right side
   27,185.50x = 3,040,364,460.25
5. Step 5: Solve for x
   x = 3,040,364,460.25/27,185.50
6. Step 6: Final answer
   x = 111,837.72