Finding the Third Proportional to 1,178,684 and 2,573,266

Step by Step Solution

1. Step 1: Write the proportion equation
   1,178,684 : 2,573,266 = 2,573,266 : x
2. Step 2: Convert to fraction form
   1,178,684/2,573,266 = 2,573,266/x
3. Step 3: Cross multiply
   1,178,684x = 2,573,266 × 2,573,266
4. Step 4: Simplify right side
   1,178,684x = 6,621,697,906,756
5. Step 5: Solve for x
   x = 6,621,697,906,756/1,178,684
6. Step 6: Final answer
   x = 5,617,873.75