Finding the Third Proportional to 107,806.50 and 230,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,806.50 : 230,389.50 = 230,389.50 : x
2. Step 2: Convert to fraction form
   107,806.50/230,389.50 = 230,389.50/x
3. Step 3: Cross multiply
   107,806.50x = 230,389.50 × 230,389.50
4. Step 4: Simplify right side
   107,806.50x = 53,079,321,710.25
5. Step 5: Solve for x
   x = 53,079,321,710.25/107,806.50
6. Step 6: Final answer
   x = 492,357.34