Finding the Third Proportional to 200,350 and 423,056

Step by Step Solution

1. Step 1: Write the proportion equation
   200,350 : 423,056 = 423,056 : x
2. Step 2: Convert to fraction form
   200,350/423,056 = 423,056/x
3. Step 3: Cross multiply
   200,350x = 423,056 × 423,056
4. Step 4: Simplify right side
   200,350x = 178,976,379,136
5. Step 5: Solve for x
   x = 178,976,379,136/200,350
6. Step 6: Final answer
   x = 893,318.59