Finding the Third Proportional to 27,709.34 and 42,993.49

Step by Step Solution

1. Step 1: Write the proportion equation
   27,709.34 : 42,993.49 = 42,993.49 : x
2. Step 2: Convert to fraction form
   27,709.34/42,993.49 = 42,993.49/x
3. Step 3: Cross multiply
   27,709.34x = 42,993.49 × 42,993.49
4. Step 4: Simplify right side
   27,709.34x = 1,848,440,370.48
5. Step 5: Solve for x
   x = 1,848,440,370.48/27,709.34
6. Step 6: Final answer
   x = 66,708.22