Finding the Third Proportional to 1,293,669 and 2,721,390

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,669 : 2,721,390 = 2,721,390 : x
2. Step 2: Convert to fraction form
   1,293,669/2,721,390 = 2,721,390/x
3. Step 3: Cross multiply
   1,293,669x = 2,721,390 × 2,721,390
4. Step 4: Simplify right side
   1,293,669x = 7,405,963,532,100
5. Step 5: Solve for x
   x = 7,405,963,532,100/1,293,669
6. Step 6: Final answer
   x = 5,724,774.68