Finding the Third Proportional to 869,790 and 1,764,036

Step by Step Solution

1. Step 1: Write the proportion equation
   869,790 : 1,764,036 = 1,764,036 : x
2. Step 2: Convert to fraction form
   869,790/1,764,036 = 1,764,036/x
3. Step 3: Cross multiply
   869,790x = 1,764,036 × 1,764,036
4. Step 4: Simplify right side
   869,790x = 3,111,823,009,296
5. Step 5: Solve for x
   x = 3,111,823,009,296/869,790
6. Step 6: Final answer
   x = 3,577,671.63