Finding the Third Proportional to 542,658 and 1,181,747

Step by Step Solution

1. Step 1: Write the proportion equation
   542,658 : 1,181,747 = 1,181,747 : x
2. Step 2: Convert to fraction form
   542,658/1,181,747 = 1,181,747/x
3. Step 3: Cross multiply
   542,658x = 1,181,747 × 1,181,747
4. Step 4: Simplify right side
   542,658x = 1,396,525,972,009
5. Step 5: Solve for x
   x = 1,396,525,972,009/542,658
6. Step 6: Final answer
   x = 2,573,491.91