Finding the Third Proportional to 401,934.50 and 622,075

Step by Step Solution

1. Step 1: Write the proportion equation
   401,934.50 : 622,075 = 622,075 : x
2. Step 2: Convert to fraction form
   401,934.50/622,075 = 622,075/x
3. Step 3: Cross multiply
   401,934.50x = 622,075 × 622,075
4. Step 4: Simplify right side
   401,934.50x = 386,977,305,625
5. Step 5: Solve for x
   x = 386,977,305,625/401,934.50
6. Step 6: Final answer
   x = 962,786.99