Finding the Third Proportional to 1,572,064 and 3,368,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,064 : 3,368,256 = 3,368,256 : x
2. Step 2: Convert to fraction form
   1,572,064/3,368,256 = 3,368,256/x
3. Step 3: Cross multiply
   1,572,064x = 3,368,256 × 3,368,256
4. Step 4: Simplify right side
   1,572,064x = 11,345,148,481,536
5. Step 5: Solve for x
   x = 11,345,148,481,536/1,572,064
6. Step 6: Final answer
   x = 7,216,721.76