Finding the Third Proportional to 1,485,336 and 3,171,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,336 : 3,171,120 = 3,171,120 : x
2. Step 2: Convert to fraction form
   1,485,336/3,171,120 = 3,171,120/x
3. Step 3: Cross multiply
   1,485,336x = 3,171,120 × 3,171,120
4. Step 4: Simplify right side
   1,485,336x = 10,056,002,054,400
5. Step 5: Solve for x
   x = 10,056,002,054,400/1,485,336
6. Step 6: Final answer
   x = 6,770,186.71