Finding the Third Proportional to 774,528 and 1,677,729

Step by Step Solution

1. Step 1: Write the proportion equation
   774,528 : 1,677,729 = 1,677,729 : x
2. Step 2: Convert to fraction form
   774,528/1,677,729 = 1,677,729/x
3. Step 3: Cross multiply
   774,528x = 1,677,729 × 1,677,729
4. Step 4: Simplify right side
   774,528x = 2,814,774,597,441
5. Step 5: Solve for x
   x = 2,814,774,597,441/774,528
6. Step 6: Final answer
   x = 3,634,180.56