Finding the Third Proportional to 638,176 and 1,382,016

Step by Step Solution

1. Step 1: Write the proportion equation
   638,176 : 1,382,016 = 1,382,016 : x
2. Step 2: Convert to fraction form
   638,176/1,382,016 = 1,382,016/x
3. Step 3: Cross multiply
   638,176x = 1,382,016 × 1,382,016
4. Step 4: Simplify right side
   638,176x = 1,909,968,224,256
5. Step 5: Solve for x
   x = 1,909,968,224,256/638,176
6. Step 6: Final answer
   x = 2,992,854.99