Finding the Third Proportional to 1,081,440 and 2,231,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,440 : 2,231,424 = 2,231,424 : x
2. Step 2: Convert to fraction form
   1,081,440/2,231,424 = 2,231,424/x
3. Step 3: Cross multiply
   1,081,440x = 2,231,424 × 2,231,424
4. Step 4: Simplify right side
   1,081,440x = 4,979,253,067,776
5. Step 5: Solve for x
   x = 4,979,253,067,776/1,081,440
6. Step 6: Final answer
   x = 4,604,280.47