Finding the Third Proportional to 1,413,920 and 2,141,472

Step by Step Solution

1. Step 1: Write the proportion equation
   1,413,920 : 2,141,472 = 2,141,472 : x
2. Step 2: Convert to fraction form
   1,413,920/2,141,472 = 2,141,472/x
3. Step 3: Cross multiply
   1,413,920x = 2,141,472 × 2,141,472
4. Step 4: Simplify right side
   1,413,920x = 4,585,902,326,784
5. Step 5: Solve for x
   x = 4,585,902,326,784/1,413,920
6. Step 6: Final answer
   x = 3,243,395.90