Finding the Third Proportional to 123,403.50 and 264,303

Step by Step Solution

1. Step 1: Write the proportion equation
   123,403.50 : 264,303 = 264,303 : x
2. Step 2: Convert to fraction form
   123,403.50/264,303 = 264,303/x
3. Step 3: Cross multiply
   123,403.50x = 264,303 × 264,303
4. Step 4: Simplify right side
   123,403.50x = 69,856,075,809
5. Step 5: Solve for x
   x = 69,856,075,809/123,403.50
6. Step 6: Final answer
   x = 566,078.56