Finding the Third Proportional to 2,279,760 and 3,557,664

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,760 : 3,557,664 = 3,557,664 : x
2. Step 2: Convert to fraction form
   2,279,760/3,557,664 = 3,557,664/x
3. Step 3: Cross multiply
   2,279,760x = 3,557,664 × 3,557,664
4. Step 4: Simplify right side
   2,279,760x = 12,656,973,136,896
5. Step 5: Solve for x
   x = 12,656,973,136,896/2,279,760
6. Step 6: Final answer
   x = 5,551,888.42