Finding the Third Proportional to 1,272,323 and 2,743,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,323 : 2,743,920 = 2,743,920 : x
2. Step 2: Convert to fraction form
   1,272,323/2,743,920 = 2,743,920/x
3. Step 3: Cross multiply
   1,272,323x = 2,743,920 × 2,743,920
4. Step 4: Simplify right side
   1,272,323x = 7,529,096,966,400
5. Step 5: Solve for x
   x = 7,529,096,966,400/1,272,323
6. Step 6: Final answer
   x = 5,917,598.73