Finding the Third Proportional to 788,409 and 1,729,422

Step by Step Solution

1. Step 1: Write the proportion equation
   788,409 : 1,729,422 = 1,729,422 : x
2. Step 2: Convert to fraction form
   788,409/1,729,422 = 1,729,422/x
3. Step 3: Cross multiply
   788,409x = 1,729,422 × 1,729,422
4. Step 4: Simplify right side
   788,409x = 2,990,900,454,084
5. Step 5: Solve for x
   x = 2,990,900,454,084/788,409
6. Step 6: Final answer
   x = 3,793,589.94