Finding the Third Proportional to 1,436,605 and 2,142,451

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,605 : 2,142,451 = 2,142,451 : x
2. Step 2: Convert to fraction form
   1,436,605/2,142,451 = 2,142,451/x
3. Step 3: Cross multiply
   1,436,605x = 2,142,451 × 2,142,451
4. Step 4: Simplify right side
   1,436,605x = 4,590,096,287,401
5. Step 5: Solve for x
   x = 4,590,096,287,401/1,436,605
6. Step 6: Final answer
   x = 3,195,099.76