Finding the Third Proportional to 187,262 and 404,451

Step by Step Solution

1. Step 1: Write the proportion equation
   187,262 : 404,451 = 404,451 : x
2. Step 2: Convert to fraction form
   187,262/404,451 = 404,451/x
3. Step 3: Cross multiply
   187,262x = 404,451 × 404,451
4. Step 4: Simplify right side
   187,262x = 163,580,611,401
5. Step 5: Solve for x
   x = 163,580,611,401/187,262
6. Step 6: Final answer
   x = 873,538.74