Finding the Third Proportional to 111,300 and 243,048

Step by Step Solution

1. Step 1: Write the proportion equation
   111,300 : 243,048 = 243,048 : x
2. Step 2: Convert to fraction form
   111,300/243,048 = 243,048/x
3. Step 3: Cross multiply
   111,300x = 243,048 × 243,048
4. Step 4: Simplify right side
   111,300x = 59,072,330,304
5. Step 5: Solve for x
   x = 59,072,330,304/111,300
6. Step 6: Final answer
   x = 530,748.70