Finding the Third Proportional to 43,039.88 and 57,725.25

Step by Step Solution

1. Step 1: Write the proportion equation
   43,039.88 : 57,725.25 = 57,725.25 : x
2. Step 2: Convert to fraction form
   43,039.88/57,725.25 = 57,725.25/x
3. Step 3: Cross multiply
   43,039.88x = 57,725.25 × 57,725.25
4. Step 4: Simplify right side
   43,039.88x = 3,332,204,487.56
5. Step 5: Solve for x
   x = 3,332,204,487.56/43,039.88
6. Step 6: Final answer
   x = 77,421.33