Finding the Third Proportional to 1,008,908 and 2,140,792

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,908 : 2,140,792 = 2,140,792 : x
2. Step 2: Convert to fraction form
   1,008,908/2,140,792 = 2,140,792/x
3. Step 3: Cross multiply
   1,008,908x = 2,140,792 × 2,140,792
4. Step 4: Simplify right side
   1,008,908x = 4,582,990,387,264
5. Step 5: Solve for x
   x = 4,582,990,387,264/1,008,908
6. Step 6: Final answer
   x = 4,542,525.57