Finding the Third Proportional to 111,054.38 and 243,192.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111,054.38 : 243,192.38 = 243,192.38 : x
2. Step 2: Convert to fraction form
   111,054.38/243,192.38 = 243,192.38/x
3. Step 3: Cross multiply
   111,054.38x = 243,192.38 × 243,192.38
4. Step 4: Simplify right side
   111,054.38x = 59,142,531,258.14
5. Step 5: Solve for x
   x = 59,142,531,258.14/111,054.38
6. Step 6: Final answer
   x = 532,554.72