Finding the Third Proportional to 161,644 and 350,936

Step by Step Solution

1. Step 1: Write the proportion equation
   161,644 : 350,936 = 350,936 : x
2. Step 2: Convert to fraction form
   161,644/350,936 = 350,936/x
3. Step 3: Cross multiply
   161,644x = 350,936 × 350,936
4. Step 4: Simplify right side
   161,644x = 123,156,076,096
5. Step 5: Solve for x
   x = 123,156,076,096/161,644
6. Step 6: Final answer
   x = 761,896.98