Finding the Third Proportional to 3,145,107 and 6,879,064

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145,107 : 6,879,064 = 6,879,064 : x
2. Step 2: Convert to fraction form
   3,145,107/6,879,064 = 6,879,064/x
3. Step 3: Cross multiply
   3,145,107x = 6,879,064 × 6,879,064
4. Step 4: Simplify right side
   3,145,107x = 47,321,521,516,096
5. Step 5: Solve for x
   x = 47,321,521,516,096/3,145,107
6. Step 6: Final answer
   x = 15,046,076.82