Finding the Third Proportional to 542,402 and 1,166,434

Step by Step Solution

1. Step 1: Write the proportion equation
   542,402 : 1,166,434 = 1,166,434 : x
2. Step 2: Convert to fraction form
   542,402/1,166,434 = 1,166,434/x
3. Step 3: Cross multiply
   542,402x = 1,166,434 × 1,166,434
4. Step 4: Simplify right side
   542,402x = 1,360,568,276,356
5. Step 5: Solve for x
   x = 1,360,568,276,356/542,402
6. Step 6: Final answer
   x = 2,508,413.09