Finding the Third Proportional to 41,509.13 and 64,855.69

Step by Step Solution

1. Step 1: Write the proportion equation
   41,509.13 : 64,855.69 = 64,855.69 : x
2. Step 2: Convert to fraction form
   41,509.13/64,855.69 = 64,855.69/x
3. Step 3: Cross multiply
   41,509.13x = 64,855.69 × 64,855.69
4. Step 4: Simplify right side
   41,509.13x = 4,206,260,201.10
5. Step 5: Solve for x
   x = 4,206,260,201.10/41,509.13
6. Step 6: Final answer
   x = 101,333.39