Finding the Third Proportional to 111,900 and 243,462

Step by Step Solution

1. Step 1: Write the proportion equation
   111,900 : 243,462 = 243,462 : x
2. Step 2: Convert to fraction form
   111,900/243,462 = 243,462/x
3. Step 3: Cross multiply
   111,900x = 243,462 × 243,462
4. Step 4: Simplify right side
   111,900x = 59,273,745,444
5. Step 5: Solve for x
   x = 59,273,745,444/111,900
6. Step 6: Final answer
   x = 529,702.82