Finding the Third Proportional to 751,831 and 1,628,320

Step by Step Solution

1. Step 1: Write the proportion equation
   751,831 : 1,628,320 = 1,628,320 : x
2. Step 2: Convert to fraction form
   751,831/1,628,320 = 1,628,320/x
3. Step 3: Cross multiply
   751,831x = 1,628,320 × 1,628,320
4. Step 4: Simplify right side
   751,831x = 2,651,426,022,400
5. Step 5: Solve for x
   x = 2,651,426,022,400/751,831
6. Step 6: Final answer
   x = 3,526,625.03