Finding the Third Proportional to 788,420 and 1,729,444

Step by Step Solution

1. Step 1: Write the proportion equation
   788,420 : 1,729,444 = 1,729,444 : x
2. Step 2: Convert to fraction form
   788,420/1,729,444 = 1,729,444/x
3. Step 3: Cross multiply
   788,420x = 1,729,444 × 1,729,444
4. Step 4: Simplify right side
   788,420x = 2,990,976,549,136
5. Step 5: Solve for x
   x = 2,990,976,549,136/788,420
6. Step 6: Final answer
   x = 3,793,633.53