Finding the Third Proportional to 41,542.31 and 90,603.56

Step by Step Solution

1. Step 1: Write the proportion equation
   41,542.31 : 90,603.56 = 90,603.56 : x
2. Step 2: Convert to fraction form
   41,542.31/90,603.56 = 90,603.56/x
3. Step 3: Cross multiply
   41,542.31x = 90,603.56 × 90,603.56
4. Step 4: Simplify right side
   41,542.31x = 8,209,005,537.69
5. Step 5: Solve for x
   x = 8,209,005,537.69/41,542.31
6. Step 6: Final answer
   x = 197,605.89