Finding the Third Proportional to 2,279,830 and 3,557,769

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,830 : 3,557,769 = 3,557,769 : x
2. Step 2: Convert to fraction form
   2,279,830/3,557,769 = 3,557,769/x
3. Step 3: Cross multiply
   2,279,830x = 3,557,769 × 3,557,769
4. Step 4: Simplify right side
   2,279,830x = 12,657,720,257,361
5. Step 5: Solve for x
   x = 12,657,720,257,361/2,279,830
6. Step 6: Final answer
   x = 5,552,045.66