Finding the Third Proportional to 143,377 and 200,532

Step by Step Solution

1. Step 1: Write the proportion equation
   143,377 : 200,532 = 200,532 : x
2. Step 2: Convert to fraction form
   143,377/200,532 = 200,532/x
3. Step 3: Cross multiply
   143,377x = 200,532 × 200,532
4. Step 4: Simplify right side
   143,377x = 40,213,083,024
5. Step 5: Solve for x
   x = 40,213,083,024/143,377
6. Step 6: Final answer
   x = 280,470.95