Finding the Third Proportional to 109,179.38 and 231,481.31

Step by Step Solution

1. Step 1: Write the proportion equation
   109,179.38 : 231,481.31 = 231,481.31 : x
2. Step 2: Convert to fraction form
   109,179.38/231,481.31 = 231,481.31/x
3. Step 3: Cross multiply
   109,179.38x = 231,481.31 × 231,481.31
4. Step 4: Simplify right side
   109,179.38x = 53,583,598,036.72
5. Step 5: Solve for x
   x = 53,583,598,036.72/109,179.38
6. Step 6: Final answer
   x = 490,784.99