Finding the Third Proportional to 104,989.50 and 230,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,989.50 : 230,404.50 = 230,404.50 : x
2. Step 2: Convert to fraction form
   104,989.50/230,404.50 = 230,404.50/x
3. Step 3: Cross multiply
   104,989.50x = 230,404.50 × 230,404.50
4. Step 4: Simplify right side
   104,989.50x = 53,086,233,620.25
5. Step 5: Solve for x
   x = 53,086,233,620.25/104,989.50
6. Step 6: Final answer
   x = 505,633.74