Finding the Third Proportional to 39,988.69 and 43,542.56

Step by Step Solution

1. Step 1: Write the proportion equation
   39,988.69 : 43,542.56 = 43,542.56 : x
2. Step 2: Convert to fraction form
   39,988.69/43,542.56 = 43,542.56/x
3. Step 3: Cross multiply
   39,988.69x = 43,542.56 × 43,542.56
4. Step 4: Simplify right side
   39,988.69x = 1,895,954,749.07
5. Step 5: Solve for x
   x = 1,895,954,749.07/39,988.69
6. Step 6: Final answer
   x = 47,412.28