Finding the Third Proportional to 1,370,720 and 2,970,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370,720 : 2,970,256 = 2,970,256 : x
2. Step 2: Convert to fraction form
   1,370,720/2,970,256 = 2,970,256/x
3. Step 3: Cross multiply
   1,370,720x = 2,970,256 × 2,970,256
4. Step 4: Simplify right side
   1,370,720x = 8,822,420,705,536
5. Step 5: Solve for x
   x = 8,822,420,705,536/1,370,720
6. Step 6: Final answer
   x = 6,436,340.54