Finding the Third Proportional to 605,644 and 1,274,064

Step by Step Solution

1. Step 1: Write the proportion equation
   605,644 : 1,274,064 = 1,274,064 : x
2. Step 2: Convert to fraction form
   605,644/1,274,064 = 1,274,064/x
3. Step 3: Cross multiply
   605,644x = 1,274,064 × 1,274,064
4. Step 4: Simplify right side
   605,644x = 1,623,239,076,096
5. Step 5: Solve for x
   x = 1,623,239,076,096/605,644
6. Step 6: Final answer
   x = 2,680,186.84