Finding the Third Proportional to 1,372,686 and 2,087,016

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,686 : 2,087,016 = 2,087,016 : x
2. Step 2: Convert to fraction form
   1,372,686/2,087,016 = 2,087,016/x
3. Step 3: Cross multiply
   1,372,686x = 2,087,016 × 2,087,016
4. Step 4: Simplify right side
   1,372,686x = 4,355,635,784,256
5. Step 5: Solve for x
   x = 4,355,635,784,256/1,372,686
6. Step 6: Final answer
   x = 3,173,075.11