Finding the Third Proportional to 2,891,738 and 4,328,855

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891,738 : 4,328,855 = 4,328,855 : x
2. Step 2: Convert to fraction form
   2,891,738/4,328,855 = 4,328,855/x
3. Step 3: Cross multiply
   2,891,738x = 4,328,855 × 4,328,855
4. Step 4: Simplify right side
   2,891,738x = 18,738,985,611,025
5. Step 5: Solve for x
   x = 18,738,985,611,025/2,891,738
6. Step 6: Final answer
   x = 6,480,180.99