Finding the Third Proportional to 120,596.50 and 262,622

Step by Step Solution

1. Step 1: Write the proportion equation
   120,596.50 : 262,622 = 262,622 : x
2. Step 2: Convert to fraction form
   120,596.50/262,622 = 262,622/x
3. Step 3: Cross multiply
   120,596.50x = 262,622 × 262,622
4. Step 4: Simplify right side
   120,596.50x = 68,970,314,884
5. Step 5: Solve for x
   x = 68,970,314,884/120,596.50
6. Step 6: Final answer
   x = 571,909.76