Finding the Third Proportional to 3,171,960 and 7,050,240

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,960 : 7,050,240 = 7,050,240 : x
2. Step 2: Convert to fraction form
   3,171,960/7,050,240 = 7,050,240/x
3. Step 3: Cross multiply
   3,171,960x = 7,050,240 × 7,050,240
4. Step 4: Simplify right side
   3,171,960x = 49,705,884,057,600
5. Step 5: Solve for x
   x = 49,705,884,057,600/3,171,960
6. Step 6: Final answer
   x = 15,670,400.65