Finding the Third Proportional to 1,403,880 and 2,260,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,880 : 2,260,872 = 2,260,872 : x
2. Step 2: Convert to fraction form
   1,403,880/2,260,872 = 2,260,872/x
3. Step 3: Cross multiply
   1,403,880x = 2,260,872 × 2,260,872
4. Step 4: Simplify right side
   1,403,880x = 5,111,542,200,384
5. Step 5: Solve for x
   x = 5,111,542,200,384/1,403,880
6. Step 6: Final answer
   x = 3,641,010.77