Finding the Third Proportional to 202,429.50 and 435,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   202,429.50 : 435,505.50 = 435,505.50 : x
2. Step 2: Convert to fraction form
   202,429.50/435,505.50 = 435,505.50/x
3. Step 3: Cross multiply
   202,429.50x = 435,505.50 × 435,505.50
4. Step 4: Simplify right side
   202,429.50x = 189,665,040,530.25
5. Step 5: Solve for x
   x = 189,665,040,530.25/202,429.50
6. Step 6: Final answer
   x = 936,943.68