Finding the Third Proportional to 39,945.75 and 87,041.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,945.75 : 87,041.25 = 87,041.25 : x
2. Step 2: Convert to fraction form
   39,945.75/87,041.25 = 87,041.25/x
3. Step 3: Cross multiply
   39,945.75x = 87,041.25 × 87,041.25
4. Step 4: Simplify right side
   39,945.75x = 7,576,179,201.56
5. Step 5: Solve for x
   x = 7,576,179,201.56/39,945.75
6. Step 6: Final answer
   x = 189,661.71