Finding the Third Proportional to 1,707,128 and 3,678,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707,128 : 3,678,896 = 3,678,896 : x
2. Step 2: Convert to fraction form
   1,707,128/3,678,896 = 3,678,896/x
3. Step 3: Cross multiply
   1,707,128x = 3,678,896 × 3,678,896
4. Step 4: Simplify right side
   1,707,128x = 13,534,275,778,816
5. Step 5: Solve for x
   x = 13,534,275,778,816/1,707,128
6. Step 6: Final answer
   x = 7,928,096.65