Finding the Third Proportional to 1,200,268 and 1,840,490

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,268 : 1,840,490 = 1,840,490 : x
2. Step 2: Convert to fraction form
   1,200,268/1,840,490 = 1,840,490/x
3. Step 3: Cross multiply
   1,200,268x = 1,840,490 × 1,840,490
4. Step 4: Simplify right side
   1,200,268x = 3,387,403,440,100
5. Step 5: Solve for x
   x = 3,387,403,440,100/1,200,268
6. Step 6: Final answer
   x = 2,822,205.91