Finding the Third Proportional to 788,392 and 1,729,388

Step by Step Solution

1. Step 1: Write the proportion equation
   788,392 : 1,729,388 = 1,729,388 : x
2. Step 2: Convert to fraction form
   788,392/1,729,388 = 1,729,388/x
3. Step 3: Cross multiply
   788,392x = 1,729,388 × 1,729,388
4. Step 4: Simplify right side
   788,392x = 2,990,782,854,544
5. Step 5: Solve for x
   x = 2,990,782,854,544/788,392
6. Step 6: Final answer
   x = 3,793,522.58