Finding the Third Proportional to 548,078 and 1,200,892

Step by Step Solution

1. Step 1: Write the proportion equation
   548,078 : 1,200,892 = 1,200,892 : x
2. Step 2: Convert to fraction form
   548,078/1,200,892 = 1,200,892/x
3. Step 3: Cross multiply
   548,078x = 1,200,892 × 1,200,892
4. Step 4: Simplify right side
   548,078x = 1,442,141,595,664
5. Step 5: Solve for x
   x = 1,442,141,595,664/548,078
6. Step 6: Final answer
   x = 2,631,270.72