Finding the Third Proportional to 111,075 and 243,765

Step by Step Solution

1. Step 1: Write the proportion equation
   111,075 : 243,765 = 243,765 : x
2. Step 2: Convert to fraction form
   111,075/243,765 = 243,765/x
3. Step 3: Cross multiply
   111,075x = 243,765 × 243,765
4. Step 4: Simplify right side
   111,075x = 59,421,375,225
5. Step 5: Solve for x
   x = 59,421,375,225/111,075
6. Step 6: Final answer
   x = 534,966.24