Finding the Third Proportional to 109,243.69 and 233,659.69

Step by Step Solution

1. Step 1: Write the proportion equation
   109,243.69 : 233,659.69 = 233,659.69 : x
2. Step 2: Convert to fraction form
   109,243.69/233,659.69 = 233,659.69/x
3. Step 3: Cross multiply
   109,243.69x = 233,659.69 × 233,659.69
4. Step 4: Simplify right side
   109,243.69x = 54,596,849,562.60
5. Step 5: Solve for x
   x = 54,596,849,562.60/109,243.69
6. Step 6: Final answer
   x = 499,771.21