Finding the Third Proportional to 2,649,619 and 5,718,899

Step by Step Solution

1. Step 1: Write the proportion equation
   2,649,619 : 5,718,899 = 5,718,899 : x
2. Step 2: Convert to fraction form
   2,649,619/5,718,899 = 5,718,899/x
3. Step 3: Cross multiply
   2,649,619x = 5,718,899 × 5,718,899
4. Step 4: Simplify right side
   2,649,619x = 32,705,805,772,201
5. Step 5: Solve for x
   x = 32,705,805,772,201/2,649,619
6. Step 6: Final answer
   x = 12,343,588.18