Finding the Third Proportional to 1,212,228 and 2,637,270

Step by Step Solution

1. Step 1: Write the proportion equation
   1,212,228 : 2,637,270 = 2,637,270 : x
2. Step 2: Convert to fraction form
   1,212,228/2,637,270 = 2,637,270/x
3. Step 3: Cross multiply
   1,212,228x = 2,637,270 × 2,637,270
4. Step 4: Simplify right side
   1,212,228x = 6,955,193,052,900
5. Step 5: Solve for x
   x = 6,955,193,052,900/1,212,228
6. Step 6: Final answer
   x = 5,737,528.79