Finding the Third Proportional to 1,111,512 and 1,722,180

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,512 : 1,722,180 = 1,722,180 : x
2. Step 2: Convert to fraction form
   1,111,512/1,722,180 = 1,722,180/x
3. Step 3: Cross multiply
   1,111,512x = 1,722,180 × 1,722,180
4. Step 4: Simplify right side
   1,111,512x = 2,965,903,952,400
5. Step 5: Solve for x
   x = 2,965,903,952,400/1,111,512
6. Step 6: Final answer
   x = 2,668,350.82