Finding the Third Proportional to 111,954 and 243,600

Step by Step Solution

1. Step 1: Write the proportion equation
   111,954 : 243,600 = 243,600 : x
2. Step 2: Convert to fraction form
   111,954/243,600 = 243,600/x
3. Step 3: Cross multiply
   111,954x = 243,600 × 243,600
4. Step 4: Simplify right side
   111,954x = 59,340,960,000
5. Step 5: Solve for x
   x = 59,340,960,000/111,954
6. Step 6: Final answer
   x = 530,047.70