Finding the Third Proportional to 3,570,418 and 5,439,259

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570,418 : 5,439,259 = 5,439,259 : x
2. Step 2: Convert to fraction form
   3,570,418/5,439,259 = 5,439,259/x
3. Step 3: Cross multiply
   3,570,418x = 5,439,259 × 5,439,259
4. Step 4: Simplify right side
   3,570,418x = 29,585,538,469,081
5. Step 5: Solve for x
   x = 29,585,538,469,081/3,570,418
6. Step 6: Final answer
   x = 8,286,295.46