Finding the Third Proportional to 27,015 and 42,743

Step by Step Solution

1. Step 1: Write the proportion equation
   27,015 : 42,743 = 42,743 : x
2. Step 2: Convert to fraction form
   27,015/42,743 = 42,743/x
3. Step 3: Cross multiply
   27,015x = 42,743 × 42,743
4. Step 4: Simplify right side
   27,015x = 1,826,964,049
5. Step 5: Solve for x
   x = 1,826,964,049/27,015
6. Step 6: Final answer
   x = 67,627.76