Finding the Third Proportional to 628,872 and 1,364,064

Step by Step Solution

1. Step 1: Write the proportion equation
   628,872 : 1,364,064 = 1,364,064 : x
2. Step 2: Convert to fraction form
   628,872/1,364,064 = 1,364,064/x
3. Step 3: Cross multiply
   628,872x = 1,364,064 × 1,364,064
4. Step 4: Simplify right side
   628,872x = 1,860,670,596,096
5. Step 5: Solve for x
   x = 1,860,670,596,096/628,872
6. Step 6: Final answer
   x = 2,958,742.95