Finding the Third Proportional to 200,541.50 and 435,663

Step by Step Solution

1. Step 1: Write the proportion equation
   200,541.50 : 435,663 = 435,663 : x
2. Step 2: Convert to fraction form
   200,541.50/435,663 = 435,663/x
3. Step 3: Cross multiply
   200,541.50x = 435,663 × 435,663
4. Step 4: Simplify right side
   200,541.50x = 189,802,249,569
5. Step 5: Solve for x
   x = 189,802,249,569/200,541.50
6. Step 6: Final answer
   x = 946,448.74