Finding the Third Proportional to 548,998 and 1,189,634

Step by Step Solution

1. Step 1: Write the proportion equation
   548,998 : 1,189,634 = 1,189,634 : x
2. Step 2: Convert to fraction form
   548,998/1,189,634 = 1,189,634/x
3. Step 3: Cross multiply
   548,998x = 1,189,634 × 1,189,634
4. Step 4: Simplify right side
   548,998x = 1,415,229,053,956
5. Step 5: Solve for x
   x = 1,415,229,053,956/548,998
6. Step 6: Final answer
   x = 2,577,840.09