Finding the Third Proportional to 1,644,487 and 3,961,755

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,487 : 3,961,755 = 3,961,755 : x
2. Step 2: Convert to fraction form
   1,644,487/3,961,755 = 3,961,755/x
3. Step 3: Cross multiply
   1,644,487x = 3,961,755 × 3,961,755
4. Step 4: Simplify right side
   1,644,487x = 15,695,502,680,025
5. Step 5: Solve for x
   x = 15,695,502,680,025/1,644,487
6. Step 6: Final answer
   x = 9,544,315.45