Finding the Third Proportional to 1,589,328 and 3,449,664

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589,328 : 3,449,664 = 3,449,664 : x
2. Step 2: Convert to fraction form
   1,589,328/3,449,664 = 3,449,664/x
3. Step 3: Cross multiply
   1,589,328x = 3,449,664 × 3,449,664
4. Step 4: Simplify right side
   1,589,328x = 11,900,181,712,896
5. Step 5: Solve for x
   x = 11,900,181,712,896/1,589,328
6. Step 6: Final answer
   x = 7,487,555.57