Finding the Third Proportional to 1,081,960 and 1,684,176

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,960 : 1,684,176 = 1,684,176 : x
2. Step 2: Convert to fraction form
   1,081,960/1,684,176 = 1,684,176/x
3. Step 3: Cross multiply
   1,081,960x = 1,684,176 × 1,684,176
4. Step 4: Simplify right side
   1,081,960x = 2,836,448,798,976
5. Step 5: Solve for x
   x = 2,836,448,798,976/1,081,960
6. Step 6: Final answer
   x = 2,621,583.79