Finding the Third Proportional to 1,363,200 and 2,116,722

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363,200 : 2,116,722 = 2,116,722 : x
2. Step 2: Convert to fraction form
   1,363,200/2,116,722 = 2,116,722/x
3. Step 3: Cross multiply
   1,363,200x = 2,116,722 × 2,116,722
4. Step 4: Simplify right side
   1,363,200x = 4,480,512,025,284
5. Step 5: Solve for x
   x = 4,480,512,025,284/1,363,200
6. Step 6: Final answer
   x = 3,286,760.58