Finding the Third Proportional to 265,180 and 401,622

Step by Step Solution

1. Step 1: Write the proportion equation
   265,180 : 401,622 = 401,622 : x
2. Step 2: Convert to fraction form
   265,180/401,622 = 401,622/x
3. Step 3: Cross multiply
   265,180x = 401,622 × 401,622
4. Step 4: Simplify right side
   265,180x = 161,300,230,884
5. Step 5: Solve for x
   x = 161,300,230,884/265,180
6. Step 6: Final answer
   x = 608,266.95