Finding the Third Proportional to 266,116 and 401,936

Step by Step Solution

1. Step 1: Write the proportion equation
   266,116 : 401,936 = 401,936 : x
2. Step 2: Convert to fraction form
   266,116/401,936 = 401,936/x
3. Step 3: Cross multiply
   266,116x = 401,936 × 401,936
4. Step 4: Simplify right side
   266,116x = 161,552,548,096
5. Step 5: Solve for x
   x = 161,552,548,096/266,116
6. Step 6: Final answer
   x = 607,075.67