Finding the Third Proportional to 1,970,256 and 4,254,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,970,256 : 4,254,864 = 4,254,864 : x
2. Step 2: Convert to fraction form
   1,970,256/4,254,864 = 4,254,864/x
3. Step 3: Cross multiply
   1,970,256x = 4,254,864 × 4,254,864
4. Step 4: Simplify right side
   1,970,256x = 18,103,867,658,496
5. Step 5: Solve for x
   x = 18,103,867,658,496/1,970,256
6. Step 6: Final answer
   x = 9,188,586.49