Finding the Third Proportional to 1,293,584 and 2,721,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,584 : 2,721,216 = 2,721,216 : x
2. Step 2: Convert to fraction form
   1,293,584/2,721,216 = 2,721,216/x
3. Step 3: Cross multiply
   1,293,584x = 2,721,216 × 2,721,216
4. Step 4: Simplify right side
   1,293,584x = 7,405,016,518,656
5. Step 5: Solve for x
   x = 7,405,016,518,656/1,293,584
6. Step 6: Final answer
   x = 5,724,418.76