Finding the Third Proportional to 1,668,064 and 3,572,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668,064 : 3,572,320 = 3,572,320 : x
2. Step 2: Convert to fraction form
   1,668,064/3,572,320 = 3,572,320/x
3. Step 3: Cross multiply
   1,668,064x = 3,572,320 × 3,572,320
4. Step 4: Simplify right side
   1,668,064x = 12,761,470,182,400
5. Step 5: Solve for x
   x = 12,761,470,182,400/1,668,064
6. Step 6: Final answer
   x = 7,650,467.96