Finding the Third Proportional to 111,762 and 243,234

Step by Step Solution

1. Step 1: Write the proportion equation
   111,762 : 243,234 = 243,234 : x
2. Step 2: Convert to fraction form
   111,762/243,234 = 243,234/x
3. Step 3: Cross multiply
   111,762x = 243,234 × 243,234
4. Step 4: Simplify right side
   111,762x = 59,162,778,756
5. Step 5: Solve for x
   x = 59,162,778,756/111,762
6. Step 6: Final answer
   x = 529,363.99