Finding the Third Proportional to 1,178,672 and 1,812,756

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,672 : 1,812,756 = 1,812,756 : x
2. Step 2: Convert to fraction form
   1,178,672/1,812,756 = 1,812,756/x
3. Step 3: Cross multiply
   1,178,672x = 1,812,756 × 1,812,756
4. Step 4: Simplify right side
   1,178,672x = 3,286,084,315,536
5. Step 5: Solve for x
   x = 3,286,084,315,536/1,178,672
6. Step 6: Final answer
   x = 2,787,954.85