Finding the Third Proportional to 690,768 and 1,542,132

Step by Step Solution

1. Step 1: Write the proportion equation
   690,768 : 1,542,132 = 1,542,132 : x
2. Step 2: Convert to fraction form
   690,768/1,542,132 = 1,542,132/x
3. Step 3: Cross multiply
   690,768x = 1,542,132 × 1,542,132
4. Step 4: Simplify right side
   690,768x = 2,378,171,105,424
5. Step 5: Solve for x
   x = 2,378,171,105,424/690,768
6. Step 6: Final answer
   x = 3,442,792.81