Finding the Third Proportional to 1,144,396 and 2,485,430

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,396 : 2,485,430 = 2,485,430 : x
2. Step 2: Convert to fraction form
   1,144,396/2,485,430 = 2,485,430/x
3. Step 3: Cross multiply
   1,144,396x = 2,485,430 × 2,485,430
4. Step 4: Simplify right side
   1,144,396x = 6,177,362,284,900
5. Step 5: Solve for x
   x = 6,177,362,284,900/1,144,396
6. Step 6: Final answer
   x = 5,397,923.70