Finding the Third Proportional to 150,411 and 200,493

Step by Step Solution

1. Step 1: Write the proportion equation
   150,411 : 200,493 = 200,493 : x
2. Step 2: Convert to fraction form
   150,411/200,493 = 200,493/x
3. Step 3: Cross multiply
   150,411x = 200,493 × 200,493
4. Step 4: Simplify right side
   150,411x = 40,197,443,049
5. Step 5: Solve for x
   x = 40,197,443,049/150,411
6. Step 6: Final answer
   x = 267,250.69