Finding the Third Proportional to 142,502 and 200,426

Step by Step Solution

1. Step 1: Write the proportion equation
   142,502 : 200,426 = 200,426 : x
2. Step 2: Convert to fraction form
   142,502/200,426 = 200,426/x
3. Step 3: Cross multiply
   142,502x = 200,426 × 200,426
4. Step 4: Simplify right side
   142,502x = 40,170,581,476
5. Step 5: Solve for x
   x = 40,170,581,476/142,502
6. Step 6: Final answer
   x = 281,894.86