Finding the Third Proportional to 2,212,743 and 4,827,615

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212,743 : 4,827,615 = 4,827,615 : x
2. Step 2: Convert to fraction form
   2,212,743/4,827,615 = 4,827,615/x
3. Step 3: Cross multiply
   2,212,743x = 4,827,615 × 4,827,615
4. Step 4: Simplify right side
   2,212,743x = 23,305,866,588,225
5. Step 5: Solve for x
   x = 23,305,866,588,225/2,212,743
6. Step 6: Final answer
   x = 10,532,568.21