Finding the Third Proportional to 1,615,978 and 2,392,731

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,978 : 2,392,731 = 2,392,731 : x
2. Step 2: Convert to fraction form
   1,615,978/2,392,731 = 2,392,731/x
3. Step 3: Cross multiply
   1,615,978x = 2,392,731 × 2,392,731
4. Step 4: Simplify right side
   1,615,978x = 5,725,161,638,361
5. Step 5: Solve for x
   x = 5,725,161,638,361/1,615,978
6. Step 6: Final answer
   x = 3,542,846.28