Finding the Third Proportional to 687,155.83 and 1,479,665.68

Step by Step Solution

1. Step 1: Write the proportion equation
   687,155.83 : 1,479,665.68 = 1,479,665.68 : x
2. Step 2: Convert to fraction form
   687,155.83/1,479,665.68 = 1,479,665.68/x
3. Step 3: Cross multiply
   687,155.83x = 1,479,665.68 × 1,479,665.68
4. Step 4: Simplify right side
   687,155.83x = 2,189,410,526,535.15
5. Step 5: Solve for x
   x = 2,189,410,526,535.15/687,155.83
6. Step 6: Final answer
   x = 3,186,192.19