Finding the Third Proportional to 111,069 and 243,753

Step by Step Solution

1. Step 1: Write the proportion equation
   111,069 : 243,753 = 243,753 : x
2. Step 2: Convert to fraction form
   111,069/243,753 = 243,753/x
3. Step 3: Cross multiply
   111,069x = 243,753 × 243,753
4. Step 4: Simplify right side
   111,069x = 59,415,525,009
5. Step 5: Solve for x
   x = 59,415,525,009/111,069
6. Step 6: Final answer
   x = 534,942.47