Finding the Third Proportional to 548,996 and 1,189,630

Step by Step Solution

1. Step 1: Write the proportion equation
   548,996 : 1,189,630 = 1,189,630 : x
2. Step 2: Convert to fraction form
   548,996/1,189,630 = 1,189,630/x
3. Step 3: Cross multiply
   548,996x = 1,189,630 × 1,189,630
4. Step 4: Simplify right side
   548,996x = 1,415,219,536,900
5. Step 5: Solve for x
   x = 1,415,219,536,900/548,996
6. Step 6: Final answer
   x = 2,577,832.15