Finding the Third Proportional to 27,627.75 and 42,855.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,627.75 : 42,855.75 = 42,855.75 : x
2. Step 2: Convert to fraction form
   27,627.75/42,855.75 = 42,855.75/x
3. Step 3: Cross multiply
   27,627.75x = 42,855.75 × 42,855.75
4. Step 4: Simplify right side
   27,627.75x = 1,836,615,308.06
5. Step 5: Solve for x
   x = 1,836,615,308.06/27,627.75
6. Step 6: Final answer
   x = 66,477.19