Finding the Third Proportional to 1,436,589 and 2,142,423

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,589 : 2,142,423 = 2,142,423 : x
2. Step 2: Convert to fraction form
   1,436,589/2,142,423 = 2,142,423/x
3. Step 3: Cross multiply
   1,436,589x = 2,142,423 × 2,142,423
4. Step 4: Simplify right side
   1,436,589x = 4,589,976,310,929
5. Step 5: Solve for x
   x = 4,589,976,310,929/1,436,589
6. Step 6: Final answer
   x = 3,195,051.83