Finding the Third Proportional to 110,857 and 243,856

Step by Step Solution

1. Step 1: Write the proportion equation
   110,857 : 243,856 = 243,856 : x
2. Step 2: Convert to fraction form
   110,857/243,856 = 243,856/x
3. Step 3: Cross multiply
   110,857x = 243,856 × 243,856
4. Step 4: Simplify right side
   110,857x = 59,465,748,736
5. Step 5: Solve for x
   x = 59,465,748,736/110,857
6. Step 6: Final answer
   x = 536,418.53