Finding the Third Proportional to 1,403,920 and 2,053,228

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403,920 : 2,053,228 = 2,053,228 : x
2. Step 2: Convert to fraction form
   1,403,920/2,053,228 = 2,053,228/x
3. Step 3: Cross multiply
   1,403,920x = 2,053,228 × 2,053,228
4. Step 4: Simplify right side
   1,403,920x = 4,215,745,219,984
5. Step 5: Solve for x
   x = 4,215,745,219,984/1,403,920
6. Step 6: Final answer
   x = 3,002,838.64