Finding the Third Proportional to 1,260,510 and 2,698,212

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,510 : 2,698,212 = 2,698,212 : x
2. Step 2: Convert to fraction form
   1,260,510/2,698,212 = 2,698,212/x
3. Step 3: Cross multiply
   1,260,510x = 2,698,212 × 2,698,212
4. Step 4: Simplify right side
   1,260,510x = 7,280,347,996,944
5. Step 5: Solve for x
   x = 7,280,347,996,944/1,260,510
6. Step 6: Final answer
   x = 5,775,716.18