Finding the Third Proportional to 1,121,968 and 2,468,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,968 : 2,468,320 = 2,468,320 : x
2. Step 2: Convert to fraction form
   1,121,968/2,468,320 = 2,468,320/x
3. Step 3: Cross multiply
   1,121,968x = 2,468,320 × 2,468,320
4. Step 4: Simplify right side
   1,121,968x = 6,092,603,622,400
5. Step 5: Solve for x
   x = 6,092,603,622,400/1,121,968
6. Step 6: Final answer
   x = 5,430,282.88