Finding the Third Proportional to 105,529.50 and 231,072.75

Step by Step Solution

1. Step 1: Write the proportion equation
   105,529.50 : 231,072.75 = 231,072.75 : x
2. Step 2: Convert to fraction form
   105,529.50/231,072.75 = 231,072.75/x
3. Step 3: Cross multiply
   105,529.50x = 231,072.75 × 231,072.75
4. Step 4: Simplify right side
   105,529.50x = 53,394,615,792.56
5. Step 5: Solve for x
   x = 53,394,615,792.56/105,529.50
6. Step 6: Final answer
   x = 505,968.62