Finding the Third Proportional to 111,192 and 243,150

Step by Step Solution

1. Step 1: Write the proportion equation
   111,192 : 243,150 = 243,150 : x
2. Step 2: Convert to fraction form
   111,192/243,150 = 243,150/x
3. Step 3: Cross multiply
   111,192x = 243,150 × 243,150
4. Step 4: Simplify right side
   111,192x = 59,121,922,500
5. Step 5: Solve for x
   x = 59,121,922,500/111,192
6. Step 6: Final answer
   x = 531,710.22