Finding the Third Proportional to 262,662 and 401,618.25

Step by Step Solution

1. Step 1: Write the proportion equation
   262,662 : 401,618.25 = 401,618.25 : x
2. Step 2: Convert to fraction form
   262,662/401,618.25 = 401,618.25/x
3. Step 3: Cross multiply
   262,662x = 401,618.25 × 401,618.25
4. Step 4: Simplify right side
   262,662x = 161,297,218,733.06
5. Step 5: Solve for x
   x = 161,297,218,733.06/262,662
6. Step 6: Final answer
   x = 614,086.62