Finding the Third Proportional to 200,124 and 281,466

Step by Step Solution

1. Step 1: Write the proportion equation
   200,124 : 281,466 = 281,466 : x
2. Step 2: Convert to fraction form
   200,124/281,466 = 281,466/x
3. Step 3: Cross multiply
   200,124x = 281,466 × 281,466
4. Step 4: Simplify right side
   200,124x = 79,223,109,156
5. Step 5: Solve for x
   x = 79,223,109,156/200,124
6. Step 6: Final answer
   x = 395,870.11