Finding the Third Proportional to 1,421,434 and 3,079,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,434 : 3,079,064 = 3,079,064 : x
2. Step 2: Convert to fraction form
   1,421,434/3,079,064 = 3,079,064/x
3. Step 3: Cross multiply
   1,421,434x = 3,079,064 × 3,079,064
4. Step 4: Simplify right side
   1,421,434x = 9,480,635,116,096
5. Step 5: Solve for x
   x = 9,480,635,116,096/1,421,434
6. Step 6: Final answer
   x = 6,669,768.08