Finding the Third Proportional to 111,755 and 243,162

Step by Step Solution

1. Step 1: Write the proportion equation
   111,755 : 243,162 = 243,162 : x
2. Step 2: Convert to fraction form
   111,755/243,162 = 243,162/x
3. Step 3: Cross multiply
   111,755x = 243,162 × 243,162
4. Step 4: Simplify right side
   111,755x = 59,127,758,244
5. Step 5: Solve for x
   x = 59,127,758,244/111,755
6. Step 6: Final answer
   x = 529,083.78