Finding the Third Proportional to 1,293,586 and 2,721,223

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,586 : 2,721,223 = 2,721,223 : x
2. Step 2: Convert to fraction form
   1,293,586/2,721,223 = 2,721,223/x
3. Step 3: Cross multiply
   1,293,586x = 2,721,223 × 2,721,223
4. Step 4: Simplify right side
   1,293,586x = 7,405,054,615,729
5. Step 5: Solve for x
   x = 7,405,054,615,729/1,293,586
6. Step 6: Final answer
   x = 5,724,439.36