Finding the Third Proportional to 690,576 and 1,429,104

Step by Step Solution

1. Step 1: Write the proportion equation
   690,576 : 1,429,104 = 1,429,104 : x
2. Step 2: Convert to fraction form
   690,576/1,429,104 = 1,429,104/x
3. Step 3: Cross multiply
   690,576x = 1,429,104 × 1,429,104
4. Step 4: Simplify right side
   690,576x = 2,042,338,242,816
5. Step 5: Solve for x
   x = 2,042,338,242,816/690,576
6. Step 6: Final answer
   x = 2,957,441.68