Finding the Third Proportional to 788,406 and 1,729,416

Step by Step Solution

1. Step 1: Write the proportion equation
   788,406 : 1,729,416 = 1,729,416 : x
2. Step 2: Convert to fraction form
   788,406/1,729,416 = 1,729,416/x
3. Step 3: Cross multiply
   788,406x = 1,729,416 × 1,729,416
4. Step 4: Simplify right side
   788,406x = 2,990,879,701,056
5. Step 5: Solve for x
   x = 2,990,879,701,056/788,406
6. Step 6: Final answer
   x = 3,793,578.06