Finding the Third Proportional to 1,260,512 and 2,698,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,512 : 2,698,216 = 2,698,216 : x
2. Step 2: Convert to fraction form
   1,260,512/2,698,216 = 2,698,216/x
3. Step 3: Cross multiply
   1,260,512x = 2,698,216 × 2,698,216
4. Step 4: Simplify right side
   1,260,512x = 7,280,369,582,656
5. Step 5: Solve for x
   x = 7,280,369,582,656/1,260,512
6. Step 6: Final answer
   x = 5,775,724.14