Finding the Third Proportional to 507,978 and 1,085,936

Step by Step Solution

1. Step 1: Write the proportion equation
   507,978 : 1,085,936 = 1,085,936 : x
2. Step 2: Convert to fraction form
   507,978/1,085,936 = 1,085,936/x
3. Step 3: Cross multiply
   507,978x = 1,085,936 × 1,085,936
4. Step 4: Simplify right side
   507,978x = 1,179,256,996,096
5. Step 5: Solve for x
   x = 1,179,256,996,096/507,978
6. Step 6: Final answer
   x = 2,321,472.58