Finding the Third Proportional to 685,501.73 and 1,485,410.48

Step by Step Solution

1. Step 1: Write the proportion equation
   685,501.73 : 1,485,410.48 = 1,485,410.48 : x
2. Step 2: Convert to fraction form
   685,501.73/1,485,410.48 = 1,485,410.48/x
3. Step 3: Cross multiply
   685,501.73x = 1,485,410.48 × 1,485,410.48
4. Step 4: Simplify right side
   685,501.73x = 2,206,444,307,091.17
5. Step 5: Solve for x
   x = 2,206,444,307,091.17/685,501.73
6. Step 6: Final answer
   x = 3,218,728.99