Finding the Third Proportional to 2,598,903 and 3,999,843

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598,903 : 3,999,843 = 3,999,843 : x
2. Step 2: Convert to fraction form
   2,598,903/3,999,843 = 3,999,843/x
3. Step 3: Cross multiply
   2,598,903x = 3,999,843 × 3,999,843
4. Step 4: Simplify right side
   2,598,903x = 15,998,744,024,649
5. Step 5: Solve for x
   x = 15,998,744,024,649/2,598,903
6. Step 6: Final answer
   x = 6,155,960.43