Finding the Third Proportional to 3,534,738 and 5,404,821

Step by Step Solution

1. Step 1: Write the proportion equation
   3,534,738 : 5,404,821 = 5,404,821 : x
2. Step 2: Convert to fraction form
   3,534,738/5,404,821 = 5,404,821/x
3. Step 3: Cross multiply
   3,534,738x = 5,404,821 × 5,404,821
4. Step 4: Simplify right side
   3,534,738x = 29,212,090,042,041
5. Step 5: Solve for x
   x = 29,212,090,042,041/3,534,738
6. Step 6: Final answer
   x = 8,264,287.21